2100112100022 has 16 divisors (see below), whose sum is σ = 4302668693232. Its totient is φ = 682963284480.

The previous prime is 2100112099999. The next prime is 2100112100027. The reversal of 2100112100022 is 2200012110012.

It is a junction number, because it is equal to n+sod(n) for n = 2100112099980 and 2100112100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100112100027) 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, 4268520283 + ... + 4268520774.

It is an arithmetic number, because the mean of its divisors is an integer number (268916793327).

Almost surely, 2^{2100112100022} is an apocalyptic number.

2100112100022 is an abundant number, since it is smaller than the sum of its proper divisors (2202556593210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100112100022 is a wasteful number, since it uses less digits than its factorization.

2100112100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537041103.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100112100022 its reverse (2200012110012), we get a palindrome (4300124210034).

The spelling of 2100112100022 in words is "two trillion, one hundred billion, one hundred twelve million, one hundred thousand, twenty-two".