20100121101122 has 16 divisors (see below), whose sum is σ = 31123089561600. Its totient is φ = 9725764609920.

The previous prime is 20100121101061. The next prime is 20100121101143. The reversal of 20100121101122 is 22110112100102.

It is a super-3 number, since 3×20100121101122³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100121101097 and 20100121101106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4564079 + ... + 7812237.

It is an arithmetic number, because the mean of its divisors is an integer number (1945193097600).

Almost surely, 2^{20100121101122} is an apocalyptic number.

20100121101122 is a deficient number, since it is larger than the sum of its proper divisors (11022968460478).

20100121101122 is a wasteful number, since it uses less digits than its factorization.

20100121101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348001.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20100121101122 its reverse (22110112100102), we get a palindrome (42210233201224).

The spelling of 20100121101122 in words is "twenty trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".