11312202210 has 64 divisors (see below), whose sum is σ = 27897661440. Its totient is φ = 2934025920.

The previous prime is 11312202149. The next prime is 11312202221. The reversal of 11312202210 is 1220221311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11312202210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289965 + ... + 326655.

It is an arithmetic number, because the mean of its divisors is an integer number (435900960).

Almost surely, 2^11312202210 is an apocalyptic number.

11312202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312202210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13948830720).

11312202210 is an abundant number, since it is smaller than the sum of its proper divisors (16585459230).

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

11312202210 is a wasteful number, since it uses less digits than its factorization.

11312202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36983.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11312202210 its reverse (1220221311), we get a palindrome (12532423521).

The spelling of 11312202210 in words is "eleven billion, three hundred twelve million, two hundred two thousand, two hundred ten".