210100011020220 has 96 divisors (see below), whose sum is σ = 623546680550976. Its totient is φ = 52674945740800.

The previous prime is 210100011020209. The next prime is 210100011020327. The reversal of 210100011020220 is 22020110001012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210100011020196 and 210100011020205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108487791 + ... + 110407430.

It is an arithmetic number, because the mean of its divisors is an integer number (6495277922406).

Almost surely, 2^{210100011020220} is an apocalyptic number.

210100011020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100011020220 is an abundant number, since it is smaller than the sum of its proper divisors (413446669530756).

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

210100011020220 is a wasteful number, since it uses less digits than its factorization.

210100011020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218896191 (or 218896189 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210100011020220 its reverse (22020110001012), we get a palindrome (232120121021232).

The spelling of 210100011020220 in words is "two hundred ten trillion, one hundred billion, eleven million, twenty thousand, two hundred twenty".