211244032210 has 16 divisors (see below), whose sum is σ = 382437175896. Its totient is φ = 84009186688.

The previous prime is 211244032193. The next prime is 211244032249. The reversal of 211244032210 is 12230442112.

It can be written as a sum of positive squares in 4 ways, for example, as 183270466201 + 27973566009 = 428101^2 + 167253^2 .

It is a super-2 number, since 2×211244032210² (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 7 ways as a sum of consecutive naturals, for example, 61051459 + ... + 61054918.

Almost surely, 2^211244032210 is an apocalyptic number.

211244032210 is a deficient number, since it is larger than the sum of its proper divisors (171193143686).

211244032210 is a wasteful number, since it uses less digits than its factorization.

211244032210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122106557.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211244032210 its reverse (12230442112), we get a palindrome (223474474322).

The spelling of 211244032210 in words is "two hundred eleven billion, two hundred forty-four million, thirty-two thousand, two hundred ten".