2100000122192 has 80 divisors (see below), whose sum is σ = 4759527370752. Its totient is φ = 878813470080.

The previous prime is 2100000122147. The next prime is 2100000122221. The reversal of 2100000122192 is 2912210000012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16924217 + ... + 17047847.

Almost surely, 2^{2100000122192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100000122192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379763685376).

2100000122192 is an abundant number, since it is smaller than the sum of its proper divisors (2659527248560).

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

2100000122192 is a wasteful number, since it uses less digits than its factorization.

2100000122192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127216 (or 127210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2100000122192 in words is "two trillion, one hundred billion, one hundred twenty-two thousand, one hundred ninety-two".