212102220022210 has 16 divisors (see below), whose sum is σ = 436324566902976. Its totient is φ = 72720761150448.

The previous prime is 212102220022207. The next prime is 212102220022211. The reversal of 212102220022210 is 12220022201212.

It is a super-2 number, since 2×212102220022210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212102220022211) 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 7 ways as a sum of consecutive naturals, for example, 1515015857232 + ... + 1515015857371.

It is an arithmetic number, because the mean of its divisors is an integer number (27270285431436).

Almost surely, 2^{212102220022210} is an apocalyptic number.

212102220022210 is an abundant number, since it is smaller than the sum of its proper divisors (224222346880766).

212102220022210 is a wasteful number, since it uses less digits than its factorization.

212102220022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030031714617.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212102220022210 its reverse (12220022201212), we get a palindrome (224322242223422).

The spelling of 212102220022210 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty million, twenty-two thousand, two hundred ten".