213221213210100 has 36 divisors (see below), whose sum is σ = 616920043555424. Its totient is φ = 56858990189280.

The previous prime is 213221213210077. The next prime is 213221213210189. The reversal of 213221213210100 is 1012312122312.

213221213210100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355368688384 + ... + 355368688983.

Almost surely, 2^{213221213210100} is an apocalyptic number.

213221213210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213221213210100 is an abundant number, since it is smaller than the sum of its proper divisors (403698830345324).

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

213221213210100 is a wasteful number, since it uses less digits than its factorization.

213221213210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710737377384 (or 710737377377 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 213221213210100 its reverse (1012312122312), we get a palindrome (214233525332412).

The spelling of 213221213210100 in words is "two hundred thirteen trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred ten thousand, one hundred".