111012020210111 has 4 divisors (see below), whose sum is σ = 111012127780752. Its totient is φ = 111011912639472.

The previous prime is 111012020210099. The next prime is 111012020210141.

111012020210111 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012020210111 is a prime.

It is a super-2 number, since 2×111012020210111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012020210141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52222190 + ... + 54306363.

It is an arithmetic number, because the mean of its divisors is an integer number (27753031945188).

Almost surely, 2^{111012020210111} is an apocalyptic number.

111012020210111 is a deficient number, since it is larger than the sum of its proper divisors (107570641).

111012020210111 is a wasteful number, since it uses less digits than its factorization.

111012020210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107570640.

The product of its (nonzero) digits is 8, while the sum is 14.

The spelling of 111012020210111 in words is "one hundred eleven trillion, twelve billion, twenty million, two hundred ten thousand, one hundred eleven".