210011212120100 has 36 divisors (see below), whose sum is σ = 455741389736304. Its totient is φ = 84001340251680.

The previous prime is 210011212120091. The next prime is 210011212120109. The reversal of 210011212120100 is 1021212110012.

It is an interprime number because it is at equal distance from previous prime (210011212120091) and next prime (210011212120109).

It is not an unprimeable number, because it can be changed into a prime (210011212120109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36621794 + ... + 41966393.

Almost surely, 2^{210011212120100} is an apocalyptic number.

210011212120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011212120100 is an abundant number, since it is smaller than the sum of its proper divisors (245730177616204).

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

210011212120100 is a wasteful number, since it uses less digits than its factorization.

210011212120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78614924 (or 78614917 counting only the distinct ones).

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

Adding to 210011212120100 its reverse (1021212110012), we get a palindrome (211032424230112).

The spelling of 210011212120100 in words is "two hundred ten trillion, eleven billion, two hundred twelve million, one hundred twenty thousand, one hundred".