22020200122122 has 32 divisors (see below), whose sum is σ = 48933946670400. Its totient is φ = 7340041414224.

The previous prime is 22020200122079. The next prime is 22020200122147. The reversal of 22020200122122 is 22122100202022.

22020200122122 is a `hidden beast` number, since 220 + 2 + 0 + 200 + 1 + 221 + 22 = 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 = 22020200122095 and 22020200122104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21620013 + ... + 22615599.

It is an arithmetic number, because the mean of its divisors is an integer number (1529185833450).

Almost surely, 2^{22020200122122} is an apocalyptic number.

22020200122122 is an abundant number, since it is smaller than the sum of its proper divisors (26913746548278).

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

22020200122122 is a wasteful number, since it uses less digits than its factorization.

22020200122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405187 (or 1405181 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22020200122122 its reverse (22122100202022), we get a palindrome (44142300324144).

The spelling of 22020200122122 in words is "twenty-two trillion, twenty billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-two".