210221011012100 has 36 divisors (see below), whose sum is σ = 497650466071248. Its totient is φ = 76444004004000.

The previous prime is 210221011012099. The next prime is 210221011012151. The reversal of 210221011012100 is 1210110122012.

210221011012100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 95555003906 + ... + 95555006105.

Almost surely, 2^{210221011012100} is an apocalyptic number.

210221011012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210221011012100 is an abundant number, since it is smaller than the sum of its proper divisors (287429455059148).

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

210221011012100 is a wasteful number, since it uses less digits than its factorization.

210221011012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191110010036 (or 191110010029 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210221011012100 its reverse (1210110122012), we get a palindrome (211431121134112).

The spelling of 210221011012100 in words is "two hundred ten trillion, two hundred twenty-one billion, eleven million, twelve thousand, one hundred".