11213022120 has 32 divisors (see below), whose sum is σ = 33639066720. Its totient is φ = 2990139200.

The previous prime is 11213022103. The next prime is 11213022137. The reversal of 11213022120 is 2122031211.

It is an interprime number because it is at equal distance from previous prime (11213022103) and next prime (11213022137).

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 11213022120.

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, 46720806 + ... + 46721045.

It is an arithmetic number, because the mean of its divisors is an integer number (1051220835).

Almost surely, 2^11213022120 is an apocalyptic number.

11213022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213022120 is an abundant number, since it is smaller than the sum of its proper divisors (22426044600).

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

11213022120 is a wasteful number, since it uses less digits than its factorization.

11213022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93441865 (or 93441861 counting only the distinct ones).

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

Adding to 11213022120 its reverse (2122031211), we get a palindrome (13335053331).

Subtracting from 11213022120 its reverse (2122031211), we obtain a palindrome (9090990909).

The spelling of 11213022120 in words is "eleven billion, two hundred thirteen million, twenty-two thousand, one hundred twenty".