1111020201211 has 8 divisors (see below), whose sum is σ = 1176414562224. Its totient is φ = 1045630310400.

The previous prime is 1111020201139. The next prime is 1111020201223. The reversal of 1111020201211 is 1121020201111.

It is a happy number.

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 1111020201211 - 2¹⁵ = 1111020168443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111020201191 and 1111020201200.

It is not an unprimeable number, because it can be changed into a prime (1111024201211) 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, 598965 + ... + 1606486.

It is an arithmetic number, because the mean of its divisors is an integer number (147051820278).

Almost surely, 2^{1111020201211} is an apocalyptic number.

1111020201211 is a deficient number, since it is larger than the sum of its proper divisors (65394361013).

1111020201211 is a wasteful number, since it uses less digits than its factorization.

1111020201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235101.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111020201211 its reverse (1121020201111), we get a palindrome (2232040402322).

The spelling of 1111020201211 in words is "one trillion, one hundred eleven billion, twenty million, two hundred one thousand, two hundred eleven".