12102111122 has 32 divisors (see below), whose sum is σ = 19014186240. Its totient is φ = 5770990720.

The previous prime is 12102111101. The next prime is 12102111137. The reversal of 12102111122 is 22111120121.

It is a super-2 number, since 2×12102111122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102111097 and 12102111106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920329 + ... + 4922787.

It is an arithmetic number, because the mean of its divisors is an integer number (594193320).

Almost surely, 2^12102111122 is an apocalyptic number.

12102111122 is a deficient number, since it is larger than the sum of its proper divisors (6912075118).

12102111122 is a wasteful number, since it uses less digits than its factorization.

12102111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826.

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

Adding to 12102111122 its reverse (22111120121), we get a palindrome (34213231243).

The spelling of 12102111122 in words is "twelve billion, one hundred two million, one hundred eleven thousand, one hundred twenty-two".