211010102200220 has 24 divisors (see below), whose sum is σ = 443121607282704. Its totient is φ = 84403966087296.

The previous prime is 211010102200189. The next prime is 211010102200229. The reversal of 211010102200220 is 22002201010112.

It is a junction number, because it is equal to n+sod(n) for n = 211010102200195 and 211010102200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010102200229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22239224 + ... + 30275456.

It is an arithmetic number, because the mean of its divisors is an integer number (18463400303446).

Almost surely, 2^{211010102200220} is an apocalyptic number.

211010102200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010102200220 is an abundant number, since it is smaller than the sum of its proper divisors (232111505082484).

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

211010102200220 is a wasteful number, since it uses less digits than its factorization.

211010102200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349109 (or 9349107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211010102200220 its reverse (22002201010112), we get a palindrome (233012303210332).

The spelling of 211010102200220 in words is "two hundred eleven trillion, ten billion, one hundred two million, two hundred thousand, two hundred twenty".