20022100122122 has 32 divisors (see below), whose sum is σ = 34691813105664. Its totient is φ = 8489014974000.

The previous prime is 20022100122109. The next prime is 20022100122203. The reversal of 20022100122122 is 22122100122002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022100122122.

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, 5576504 + ... + 8434547.

It is an arithmetic number, because the mean of its divisors is an integer number (1084119159552).

Almost surely, 2^{20022100122122} is an apocalyptic number.

20022100122122 is a deficient number, since it is larger than the sum of its proper divisors (14669712983542).

20022100122122 is a wasteful number, since it uses less digits than its factorization.

20022100122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14012154.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022100122122 its reverse (22122100122002), we get a palindrome (42144200244124).

The spelling of 20022100122122 in words is "twenty trillion, twenty-two billion, one hundred million, one hundred twenty-two thousand, one hundred twenty-two".