12011111102022 has 16 divisors (see below), whose sum is σ = 24475471680240. Its totient is φ = 3928162121312.

The previous prime is 12011111101987. The next prime is 12011111102027. The reversal of 12011111102022 is 22020111111021.

It is a happy number.

It is a super-2 number, since 2×12011111102022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011111101992 and 12011111102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011111102027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18885394497 + ... + 18885395132.

It is an arithmetic number, because the mean of its divisors is an integer number (1529716980015).

Almost surely, 2^{12011111102022} is an apocalyptic number.

12011111102022 is an abundant number, since it is smaller than the sum of its proper divisors (12464360578218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011111102022 is a wasteful number, since it uses less digits than its factorization.

12011111102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770789687.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011111102022 its reverse (22020111111021), we get a palindrome (34031222213043).

The spelling of 12011111102022 in words is "twelve trillion, eleven billion, one hundred eleven million, one hundred two thousand, twenty-two".