210011022100 has 72 divisors (see below), whose sum is σ = 513190653696. Its totient is φ = 73904160000.

The previous prime is 210011022083. The next prime is 210011022119. The reversal of 210011022100 is 1220110012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3045241 + ... + 3113440.

It is an arithmetic number, because the mean of its divisors is an integer number (7127647968).

Almost surely, 2^210011022100 is an apocalyptic number.

210011022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011022100 is an abundant number, since it is smaller than the sum of its proper divisors (303179631596).

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

210011022100 is a wasteful number, since it uses less digits than its factorization.

210011022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158737 (or 6158730 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210011022100 its reverse (1220110012), we get a palindrome (211231132112).

The spelling of 210011022100 in words is "two hundred ten billion, eleven million, twenty-two thousand, one hundred".