22110021211122 has 64 divisors (see below), whose sum is σ = 52917544512000. Its totient is φ = 6802482605184.

The previous prime is 22110021211093. The next prime is 22110021211123. The reversal of 22110021211122 is 22111212001122.

22110021211122 is a `hidden beast` number, since 221 + 100 + 212 + 11 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22110021211095 and 22110021211104.

It is not an unprimeable number, because it can be changed into a prime (22110021211123) 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, 6595879 + ... + 9366197.

It is an arithmetic number, because the mean of its divisors is an integer number (826836633000).

Almost surely, 2^{22110021211122} is an apocalyptic number.

22110021211122 is an abundant number, since it is smaller than the sum of its proper divisors (30807523300878).

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

22110021211122 is a wasteful number, since it uses less digits than its factorization.

22110021211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781712 (or 2781706 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22110021211122 its reverse (22111212001122), we get a palindrome (44221233212244).

The spelling of 22110021211122 in words is "twenty-two trillion, one hundred ten billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".