11011431023212 has 48 divisors (see below), whose sum is σ = 19336399992000. Its totient is φ = 5486791394304.

The previous prime is 11011431023113. The next prime is 11011431023231. The reversal of 11011431023212 is 21232013411011.

It is a super-2 number, since 2×11011431023212² (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 15 ways as a sum of consecutive naturals, for example, 4034967864 + ... + 4034970592.

It is an arithmetic number, because the mean of its divisors is an integer number (402841666500).

Almost surely, 2^{11011431023212} is an apocalyptic number.

It is an amenable number.

11011431023212 is a deficient number, since it is larger than the sum of its proper divisors (8324968968788).

11011431023212 is a wasteful number, since it uses less digits than its factorization.

11011431023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818 (or 5816 counting only the distinct ones).

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

Adding to 11011431023212 its reverse (21232013411011), we get a palindrome (32243444434223).

The spelling of 11011431023212 in words is "eleven trillion, eleven billion, four hundred thirty-one million, twenty-three thousand, two hundred twelve".