11222311123210 has 32 divisors (see below), whose sum is σ = 22040879766912. Its totient is φ = 4080036415680.

The previous prime is 11222311123139. The next prime is 11222311123217. The reversal of 11222311123210 is 1232111322211.

It is a happy number.

11222311123210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11222311123210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11222311123217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9488902 + ... + 10605841.

It is an arithmetic number, because the mean of its divisors is an integer number (688777492716).

Almost surely, 2^{11222311123210} is an apocalyptic number.

11222311123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222311123210 is a deficient number, since it is larger than the sum of its proper divisors (10818568643702).

11222311123210 is a wasteful number, since it uses less digits than its factorization.

11222311123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20099838.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11222311123210 its reverse (1232111322211), we get a palindrome (12454422445421).

The spelling of 11222311123210 in words is "eleven trillion, two hundred twenty-two billion, three hundred eleven million, one hundred twenty-three thousand, two hundred ten".