211220010210 has 32 divisors (see below), whose sum is σ = 553012391232. Its totient is φ = 51204850880.

The previous prime is 211220010193. The next prime is 211220010229. The reversal of 211220010210 is 12010022112.

It is a super-2 number, since 2×211220010210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320029989 + ... + 320030648.

It is an arithmetic number, because the mean of its divisors is an integer number (17281637226).

Almost surely, 2^211220010210 is an apocalyptic number.

211220010210 is an abundant number, since it is smaller than the sum of its proper divisors (341792381022).

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

211220010210 is a wasteful number, since it uses less digits than its factorization.

211220010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640060658.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211220010210 its reverse (12010022112), we get a palindrome (223230032322).

The spelling of 211220010210 in words is "two hundred eleven billion, two hundred twenty million, ten thousand, two hundred ten".