22021122120102 has 48 divisors (see below), whose sum is σ = 54529277306400. Its totient is φ = 6291658665216.

The previous prime is 22021122120083. The next prime is 22021122120103. The reversal of 22021122120102 is 20102122112022.

It is a happy number.

22021122120102 is a `hidden beast` number, since 220 + 21 + 1 + 221 + 201 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021122120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7793838 + ... + 10236510.

It is an arithmetic number, because the mean of its divisors is an integer number (1136026610550).

Almost surely, 2^{22021122120102} is an apocalyptic number.

22021122120102 is an abundant number, since it is smaller than the sum of its proper divisors (32508155186298).

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

22021122120102 is a wasteful number, since it uses less digits than its factorization.

22021122120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514237 (or 2514234 counting only the distinct ones).

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

Adding to 22021122120102 its reverse (20102122112022), we get a palindrome (42123244232124).

The spelling of 22021122120102 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".