210101120211100 has 18 divisors (see below), whose sum is σ = 455919430858304. Its totient is φ = 84040448084400.

The previous prime is 210101120211089. The next prime is 210101120211131. The reversal of 210101120211100 is 1112021101012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050505600956 + ... + 1050505601155.

Almost surely, 2^{210101120211100} is an apocalyptic number.

210101120211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210101120211100 is an abundant number, since it is smaller than the sum of its proper divisors (245818310647204).

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

210101120211100 is a wasteful number, since it uses less digits than its factorization.

210101120211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101011202125 (or 2101011202118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210101120211100 its reverse (1112021101012), we get a palindrome (211213141312112).

The spelling of 210101120211100 in words is "two hundred ten trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, one hundred".