210101212212100 has 72 divisors (see below), whose sum is σ = 497400398774496. Its totient is φ = 76395290400000.

The previous prime is 210101212212083. The next prime is 210101212212103. The reversal of 210101212212100 is 1212212101012.

It is not an unprimeable number, because it can be changed into a prime (210101212212103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9905520 + ... + 22766680.

It is an arithmetic number, because the mean of its divisors is an integer number (6908338871868).

Almost surely, 2^{210101212212100} is an apocalyptic number.

210101212212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210101212212100 is an abundant number, since it is smaller than the sum of its proper divisors (287299186562396).

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

210101212212100 is a wasteful number, since it uses less digits than its factorization.

210101212212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876037 (or 12876030 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210101212212100 its reverse (1212212101012), we get a palindrome (211313424313112).

The spelling of 210101212212100 in words is "two hundred ten trillion, one hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred".