111023212102 has 32 divisors (see below), whose sum is σ = 186147569664. Its totient is φ = 49223092800.

The previous prime is 111023212049. The next prime is 111023212103. The reversal of 111023212102 is 201212320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023212103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952523 + ... + 4974889.

It is an arithmetic number, because the mean of its divisors is an integer number (5817111552).

Almost surely, 2^111023212102 is an apocalyptic number.

111023212102 is a deficient number, since it is larger than the sum of its proper divisors (75124357562).

111023212102 is a wasteful number, since it uses less digits than its factorization.

111023212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27924.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111023212102 its reverse (201212320111), we get a palindrome (312235532213).

The spelling of 111023212102 in words is "one hundred eleven billion, twenty-three million, two hundred twelve thousand, one hundred two".