211012012200220 has 48 divisors (see below), whose sum is σ = 552467813764608. Its totient is φ = 65769977828160.

The previous prime is 211012012200193. The next prime is 211012012200229. The reversal of 211012012200220 is 22002210210112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211012012200194 and 211012012200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012012200229) 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, 68510392032 + ... + 68510395111.

It is an arithmetic number, because the mean of its divisors is an integer number (11509746120096).

Almost surely, 2^{211012012200220} is an apocalyptic number.

211012012200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211012012200220 is an abundant number, since it is smaller than the sum of its proper divisors (341455801564388).

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

211012012200220 is a wasteful number, since it uses less digits than its factorization.

211012012200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137020787170 (or 137020787168 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211012012200220 its reverse (22002210210112), we get a palindrome (233014222410332).

The spelling of 211012012200220 in words is "two hundred eleven trillion, twelve billion, twelve million, two hundred thousand, two hundred twenty".