20122021100122 has 96 divisors (see below), whose sum is σ = 33013933706880. Its totient is φ = 9175241687040.

The previous prime is 20122021100117. The next prime is 20122021100183. The reversal of 20122021100122 is 22100112022102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122021100096 and 20122021100105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1361520529 + ... + 1361535307.

It is an arithmetic number, because the mean of its divisors is an integer number (343895142780).

Almost surely, 2^{20122021100122} is an apocalyptic number.

20122021100122 is a deficient number, since it is larger than the sum of its proper divisors (12891912606758).

20122021100122 is a wasteful number, since it uses less digits than its factorization.

20122021100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15208 (or 15155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122021100122 its reverse (22100112022102), we get a palindrome (42222133122224).

The spelling of 20122021100122 in words is "twenty trillion, one hundred twenty-two billion, twenty-one million, one hundred thousand, one hundred twenty-two".