22012202021122 has 16 divisors (see below), whose sum is σ = 33487569908352. Its totient is φ = 10849717795840.

The previous prime is 22012202021027. The next prime is 22012202021123. The reversal of 22012202021122 is 22112020221022.

It is a self number, because there is not a number n which added to its sum of digits gives 22012202021122.

It is not an unprimeable number, because it can be changed into a prime (22012202021123) 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 7 ways as a sum of consecutive naturals, for example, 8638318 + ... + 10892425.

It is an arithmetic number, because the mean of its divisors is an integer number (2092973119272).

Almost surely, 2^{22012202021122} is an apocalyptic number.

22012202021122 is a deficient number, since it is larger than the sum of its proper divisors (11475367887230).

22012202021122 is a wasteful number, since it uses less digits than its factorization.

22012202021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19538753.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22012202021122 its reverse (22112020221022), we get a palindrome (44124222242144).

The spelling of 22012202021122 in words is "twenty-two trillion, twelve billion, two hundred two million, twenty-one thousand, one hundred twenty-two".