211010120000220 has 24 divisors (see below), whose sum is σ = 590828336000784. Its totient is φ = 56269365333376.

The previous prime is 211010120000171. The next prime is 211010120000233. The reversal of 211010120000220 is 22000021010112.

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 = 211010120000196 and 211010120000205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758417666609 + ... + 1758417666728.

It is an arithmetic number, because the mean of its divisors is an integer number (24617847333366).

Almost surely, 2^{211010120000220} is an apocalyptic number.

211010120000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010120000220 is an abundant number, since it is smaller than the sum of its proper divisors (379818216000564).

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

211010120000220 is a wasteful number, since it uses less digits than its factorization.

211010120000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516835333349 (or 3516835333347 counting only the distinct ones).

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

Adding to 211010120000220 its reverse (22000021010112), we get a palindrome (233010141010332).

The spelling of 211010120000220 in words is "two hundred eleven trillion, ten billion, one hundred twenty million, two hundred twenty", and thus it is an aban number.