21202100196 has 48 divisors (see below), whose sum is σ = 51124297728. Its totient is φ = 6831770400.

The previous prime is 21202100167. The next prime is 21202100197. The reversal of 21202100196 is 69100120212.

It is not an unprimeable number, because it can be changed into a prime (21202100197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307611 + ... + 370173.

It is an arithmetic number, because the mean of its divisors is an integer number (1065089536).

Almost surely, 2^21202100196 is an apocalyptic number.

It is an amenable number.

21202100196 is an abundant number, since it is smaller than the sum of its proper divisors (29922197532).

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

21202100196 is a wasteful number, since it uses less digits than its factorization.

21202100196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63512 (or 63510 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 21202100196 in words is "twenty-one billion, two hundred two million, one hundred thousand, one hundred ninety-six".