2100002111122 has 16 divisors (see below), whose sum is σ = 3303990720000. Its totient is φ = 999144951552.

The previous prime is 2100002111117. The next prime is 2100002111159. The reversal of 2100002111122 is 2211112000012.

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, 118261122 + ... + 118278877.

It is an arithmetic number, because the mean of its divisors is an integer number (206499420000).

Almost surely, 2^{2100002111122} is an apocalyptic number.

2100002111122 is a deficient number, since it is larger than the sum of its proper divisors (1203988608878).

2100002111122 is a wasteful number, since it uses less digits than its factorization.

2100002111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236540217.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100002111122 its reverse (2211112000012), we get a palindrome (4311114111134).

The spelling of 2100002111122 in words is "two trillion, one hundred billion, two million, one hundred eleven thousand, one hundred twenty-two".