212101000110220 has 24 divisors (see below), whose sum is σ = 479674569480624. Its totient is φ = 78314215425216.

The previous prime is 212101000110217. The next prime is 212101000110257. The reversal of 212101000110220 is 22011000101212.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 212101000110220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407886538414 + ... + 407886538933.

It is an arithmetic number, because the mean of its divisors is an integer number (19986440395026).

Almost surely, 2^{212101000110220} is an apocalyptic number.

212101000110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212101000110220 is an abundant number, since it is smaller than the sum of its proper divisors (267573569370404).

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

212101000110220 is a wasteful number, since it uses less digits than its factorization.

212101000110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815773077369 (or 815773077367 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212101000110220 its reverse (22011000101212), we get a palindrome (234112000211432).

The spelling of 212101000110220 in words is "two hundred twelve trillion, one hundred one billion, one hundred ten thousand, two hundred twenty".