2100122111122 has 16 divisors (see below), whose sum is σ = 3600292049280. Its totient is φ = 900031654368.

The previous prime is 2100122110987. The next prime is 2100122111123. The reversal of 2100122111122 is 2211112210012.

It is a super-2 number, since 2×2100122111122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100122111096 and 2100122111105.

It is not an unprimeable number, because it can be changed into a prime (2100122111123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083958 + ... + 2318449.

It is an arithmetic number, because the mean of its divisors is an integer number (225018253080).

Almost surely, 2^{2100122111122} is an apocalyptic number.

2100122111122 is a deficient number, since it is larger than the sum of its proper divisors (1500169938158).

2100122111122 is a wasteful number, since it uses less digits than its factorization.

2100122111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446505.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2100122111122 its reverse (2211112210012), we get a palindrome (4311234321134).

The spelling of 2100122111122 in words is "two trillion, one hundred billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".