11112001121022 has 32 divisors (see below), whose sum is σ = 23531446144800. Its totient is φ = 3486095827968.

The previous prime is 11112001120999. The next prime is 11112001121027. The reversal of 11112001121022 is 22012110021111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11112001120992 and 11112001121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112001121027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24379554 + ... + 24831162.

It is an arithmetic number, because the mean of its divisors is an integer number (735357692025).

Almost surely, 2^{11112001121022} is an apocalyptic number.

11112001121022 is an abundant number, since it is smaller than the sum of its proper divisors (12419445023778).

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

11112001121022 is a wasteful number, since it uses less digits than its factorization.

11112001121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692860.

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

Adding to 11112001121022 its reverse (22012110021111), we get a palindrome (33124111142133).

The spelling of 11112001121022 in words is "eleven trillion, one hundred twelve billion, one million, one hundred twenty-one thousand, twenty-two".