1011210011111 has 8 divisors (see below), whose sum is σ = 1070924555904. Its totient is φ = 952807874040.

The previous prime is 1011210011107. The next prime is 1011210011167. The reversal of 1011210011111 is 1111100121101.

It is a happy number.

1011210011111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011210011111 - 2² = 1011210011107 is a prime.

It is a super-2 number, since 2×1011210011111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011210011092 and 1011210011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328100345 + ... + 328103426.

It is an arithmetic number, because the mean of its divisors is an integer number (133865569488).

Almost surely, 2^{1011210011111} is an apocalyptic number.

1011210011111 is a deficient number, since it is larger than the sum of its proper divisors (59714544793).

1011210011111 is an equidigital number, since it uses as much as digits as its factorization.

1011210011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656203861.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1011210011111 its reverse (1111100121101), we get a palindrome (2122310132212).

The spelling of 1011210011111 in words is "one trillion, eleven billion, two hundred ten million, eleven thousand, one hundred eleven".