2102200121158 has 16 divisors (see below), whose sum is σ = 3162187304640. Its totient is φ = 1048139022016.

The previous prime is 2102200121113. The next prime is 2102200121159. The reversal of 2102200121158 is 8511210022012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102200121159) 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, 2837091 + ... + 3500497.

It is an arithmetic number, because the mean of its divisors is an integer number (197636706540).

Almost surely, 2^{2102200121158} is an apocalyptic number.

2102200121158 is a deficient number, since it is larger than the sum of its proper divisors (1059987183482).

2102200121158 is a wasteful number, since it uses less digits than its factorization.

2102200121158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667871.

The product of its (nonzero) digits is 640, while the sum is 25.

The spelling of 2102200121158 in words is "two trillion, one hundred two billion, two hundred million, one hundred twenty-one thousand, one hundred fifty-eight".