111211022102 has 16 divisors (see below), whose sum is σ = 169662848400. Its totient is φ = 54656949600.

The previous prime is 111211022089. The next prime is 111211022141. The reversal of 111211022102 is 201220112111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120724 + ... + 1215912.

It is an arithmetic number, because the mean of its divisors is an integer number (10603928025).

Almost surely, 2^111211022102 is an apocalyptic number.

111211022102 is a deficient number, since it is larger than the sum of its proper divisors (58451826298).

111211022102 is an equidigital number, since it uses as much as digits as its factorization.

111211022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105151.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111211022102 its reverse (201220112111), we get a palindrome (312431134213).

Subtracting 111211022102 from its reverse (201220112111), we obtain a palindrome (90009090009).

The spelling of 111211022102 in words is "one hundred eleven billion, two hundred eleven million, twenty-two thousand, one hundred two".