12011111021022 has 64 divisors (see below), whose sum is σ = 24801453186048. Its totient is φ = 3875485824000.

The previous prime is 12011111021011. The next prime is 12011111021029. The reversal of 12011111021022 is 22012011111021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011111020992 and 12011111021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011111021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15692713 + ... + 16440299.

It is an arithmetic number, because the mean of its divisors is an integer number (387522706032).

Almost surely, 2^{12011111021022} is an apocalyptic number.

12011111021022 is an abundant number, since it is smaller than the sum of its proper divisors (12790342165026).

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

12011111021022 is a wasteful number, since it uses less digits than its factorization.

12011111021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748145.

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

Adding to 12011111021022 its reverse (22012011111021), we get a palindrome (34023122132043).

The spelling of 12011111021022 in words is "twelve trillion, eleven billion, one hundred eleven million, twenty-one thousand, twenty-two".