211010000020120 has 64 divisors (see below), whose sum is σ = 574514621916480. Its totient is φ = 68090621853696.

The previous prime is 211010000020097. The next prime is 211010000020121. The reversal of 211010000020120 is 21020000010112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211010000020097 and 211010000020106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010000020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22164911209 + ... + 22164920728.

It is an arithmetic number, because the mean of its divisors is an integer number (8976790967445).

Almost surely, 2^{211010000020120} is an apocalyptic number.

211010000020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010000020120 is an abundant number, since it is smaller than the sum of its proper divisors (363504621896360).

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

211010000020120 is a wasteful number, since it uses less digits than its factorization.

211010000020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44329831972 (or 44329831968 counting only the distinct ones).

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

Adding to 211010000020120 its reverse (21020000010112), we get a palindrome (232030000030232).

The spelling of 211010000020120 in words is "two hundred eleven trillion, ten billion, twenty thousand, one hundred twenty".