11122111222212 has 48 divisors (see below), whose sum is σ = 27001657448640. Its totient is φ = 3558839104128.

The previous prime is 11122111222193. The next prime is 11122111222231. The reversal of 11122111222212 is 21222211122111.

It is an interprime number because it is at equal distance from previous prime (11122111222193) and next prime (11122111222231).

It is a nude number because it is divisible by every one of its digits.

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, 92309998 + ... + 92430405.

It is an arithmetic number, because the mean of its divisors is an integer number (562534530180).

Almost surely, 2^{11122111222212} is an apocalyptic number.

11122111222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122111222212 is an abundant number, since it is smaller than the sum of its proper divisors (15879546226428).

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

11122111222212 is a wasteful number, since it uses less digits than its factorization.

11122111222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184740612 (or 184740610 counting only the distinct ones).

The product of its digits is 128, while the sum is 21.

Adding to 11122111222212 its reverse (21222211122111), we get a palindrome (32344322344323).

The spelling of 11122111222212 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".