11112515442212 has 24 divisors (see below), whose sum is σ = 19855340925504. Its totient is φ = 5440554057312.

The previous prime is 11112515442163. The next prime is 11112515442233. The reversal of 11112515442212 is 21224451521111.

It is a super-2 number, since 2×11112515442212² (a number of 27 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, 124100783 + ... + 124190294.

It is an arithmetic number, because the mean of its divisors is an integer number (827305871896).

Almost surely, 2^{11112515442212} is an apocalyptic number.

It is an amenable number.

11112515442212 is a deficient number, since it is larger than the sum of its proper divisors (8742825483292).

11112515442212 is a wasteful number, since it uses less digits than its factorization.

11112515442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248291315 (or 248291313 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

Adding to 11112515442212 its reverse (21224451521111), we get a palindrome (32336966963323).

The spelling of 11112515442212 in words is "eleven trillion, one hundred twelve billion, five hundred fifteen million, four hundred forty-two thousand, two hundred twelve".