20221100120122 has 32 divisors (see below), whose sum is σ = 34309630623744. Its totient is φ = 8855024511600.

The previous prime is 20221100120113. The next prime is 20221100120171. The reversal of 20221100120122 is 22102100112202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20221100120096 and 20221100120105.

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, 66327078 + ... + 66631249.

It is an arithmetic number, because the mean of its divisors is an integer number (1072175956992).

Almost surely, 2^{20221100120122} is an apocalyptic number.

20221100120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221100120122 is a deficient number, since it is larger than the sum of its proper divisors (14088530503622).

20221100120122 is a wasteful number, since it uses less digits than its factorization.

20221100120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132958594.

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

Adding to 20221100120122 its reverse (22102100112202), we get a palindrome (42323200232324).

The spelling of 20221100120122 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, one hundred twenty thousand, one hundred twenty-two".