2100231121994 has 8 divisors (see below), whose sum is σ = 3150356457060. Its totient is φ = 1050112302976.

The previous prime is 2100231121939. The next prime is 2100231122081. The reversal of 2100231121994 is 4991211320012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1199035950025 + 901195171969 = 1095005^2 + 949313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2100231121994² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722279 + ... + 2173050.

Almost surely, 2^{2100231121994} is an apocalyptic number.

2100231121994 is a deficient number, since it is larger than the sum of its proper divisors (1050125335066).

2100231121994 is a wasteful number, since it uses less digits than its factorization.

2100231121994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258024.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 2100231121994 in words is "two trillion, one hundred billion, two hundred thirty-one million, one hundred twenty-one thousand, nine hundred ninety-four".