21100196337400 has 96 divisors (see below), whose sum is σ = 49175661150000. Its totient is φ = 8419841694720.

The previous prime is 21100196337383. The next prime is 21100196337413. The reversal of 21100196337400 is 473369100112.

It is a self number, because there is not a number n which added to its sum of digits gives 21100196337400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261136206 + ... + 261216994.

Almost surely, 2^{21100196337400} is an apocalyptic number.

21100196337400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21100196337400 is an abundant number, since it is smaller than the sum of its proper divisors (28075464812600).

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

21100196337400 is a wasteful number, since it uses less digits than its factorization.

21100196337400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83921 (or 83912 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 21100196337400 in words is "twenty-one trillion, one hundred billion, one hundred ninety-six million, three hundred thirty-seven thousand, four hundred".