2100112011122 has 4 divisors (see below), whose sum is σ = 3150168016686. Its totient is φ = 1050056005560.

The previous prime is 2100112011121. The next prime is 2100112011149. The reversal of 2100112011122 is 2211102110012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2011974870481 + 88137140641 = 1418441^2 + 296879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100112011097 and 2100112011106.

It is not an unprimeable number, because it can be changed into a prime (2100112011121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525028002779 + ... + 525028002782.

Almost surely, 2^{2100112011122} is an apocalyptic number.

2100112011122 is a deficient number, since it is larger than the sum of its proper divisors (1050056005564).

2100112011122 is a wasteful number, since it uses less digits than its factorization.

2100112011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050056005563.

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

Adding to 2100112011122 its reverse (2211102110012), we get a palindrome (4311214121134).

The spelling of 2100112011122 in words is "two trillion, one hundred billion, one hundred twelve million, eleven thousand, one hundred twenty-two".