12021111112022 has 16 divisors (see below), whose sum is σ = 18194100872112. Its totient is φ = 5956536012960.

The previous prime is 12021111111973. The next prime is 12021111112039. The reversal of 12021111112022 is 22021111112021.

12021111112022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12021111112022² (a number of 27 digits) contains 22 as substring.

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, 31105433 + ... + 31489524.

It is an arithmetic number, because the mean of its divisors is an integer number (1137131304507).

Almost surely, 2^{12021111112022} is an apocalyptic number.

12021111112022 is a deficient number, since it is larger than the sum of its proper divisors (6172989760090).

12021111112022 is a wasteful number, since it uses less digits than its factorization.

12021111112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62595823.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021111112022 its reverse (22021111112021), we get a palindrome (34042222224043).

Subtracting 12021111112022 from its reverse (22021111112021), we obtain a palindrome (9999999999999).

The spelling of 12021111112022 in words is "twelve trillion, twenty-one billion, one hundred eleven million, one hundred twelve thousand, twenty-two".