1111113111212 has 96 divisors (see below), whose sum is σ = 2129236623360. Its totient is φ = 504281790720.

The previous prime is 1111113111211. The next prime is 1111113111217. The reversal of 1111113111212 is 2121113111111.

It is not an unprimeable number, because it can be changed into a prime (1111113111211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609496133 + ... + 609497955.

It is an arithmetic number, because the mean of its divisors is an integer number (22179548160).

Almost surely, 2^{1111113111212} is an apocalyptic number.

It is an amenable number.

1111113111212 is a deficient number, since it is larger than the sum of its proper divisors (1018123512148).

1111113111212 is a wasteful number, since it uses less digits than its factorization.

1111113111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2701 counting only the distinct ones).

The product of its digits is 12, while the sum is 17.

Adding to 1111113111212 its reverse (2121113111111), we get a palindrome (3232226222323).

The spelling of 1111113111212 in words is "one trillion, one hundred eleven billion, one hundred thirteen million, one hundred eleven thousand, two hundred twelve".