22101202121022 has 48 divisors (see below), whose sum is σ = 48362932800000. Its totient is φ = 7293719296656.

The previous prime is 22101202120979. The next prime is 22101202121083. The reversal of 22101202121022 is 22012120210122.

It is a happy number.

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 = 22101202120986 and 22101202121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5941479 + ... + 8916477.

It is an arithmetic number, because the mean of its divisors is an integer number (1007561100000).

Almost surely, 2^{22101202121022} is an apocalyptic number.

22101202121022 is an abundant number, since it is smaller than the sum of its proper divisors (26261730678978).

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

22101202121022 is a wasteful number, since it uses less digits than its factorization.

22101202121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979117 (or 2979114 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22101202121022 its reverse (22012120210122), we get a palindrome (44113322331144).

The spelling of 22101202121022 in words is "twenty-two trillion, one hundred one billion, two hundred two million, one hundred twenty-one thousand, twenty-two".