2100210121198 has 64 divisors (see below), whose sum is σ = 3824598960000. Its totient is φ = 845992304640.

The previous prime is 2100210121193. The next prime is 2100210121199. The reversal of 2100210121198 is 8911210120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100210121193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1965178 + ... + 2839426.

It is an arithmetic number, because the mean of its divisors is an integer number (59759358750).

Almost surely, 2^{2100210121198} is an apocalyptic number.

2100210121198 is a deficient number, since it is larger than the sum of its proper divisors (1724388838802).

2100210121198 is a wasteful number, since it uses less digits than its factorization.

2100210121198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874445.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 2100210121198 in words is "two trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred ninety-eight".