11112000021122 has 64 divisors (see below), whose sum is σ = 23695848739584. Its totient is φ = 3761245808640.

The previous prime is 11112000021053. The next prime is 11112000021127. The reversal of 11112000021122 is 22112000021111.

It is a super-2 number, since 2×11112000021122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11112000021097 and 11112000021106.

It is not an unprimeable number, because it can be changed into a prime (11112000021127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163214483 + ... + 163282550.

It is an arithmetic number, because the mean of its divisors is an integer number (370247636556).

Almost surely, 2^{11112000021122} is an apocalyptic number.

11112000021122 is an abundant number, since it is smaller than the sum of its proper divisors (12583848718462).

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

11112000021122 is a wasteful number, since it uses less digits than its factorization.

11112000021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326497083.

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

Adding to 11112000021122 its reverse (22112000021111), we get a palindrome (33224000042233).

The spelling of 11112000021122 in words is "eleven trillion, one hundred twelve billion, twenty-one thousand, one hundred twenty-two".