111214123214452 has 96 divisors (see below), whose sum is σ = 203506235654400. Its totient is φ = 53144430796800.

The previous prime is 111214123214413. The next prime is 111214123214471. The reversal of 111214123214452 is 254412321412111.

It is a super-2 number, since 2×111214123214452² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8035115052 + ... + 8035128892.

It is an arithmetic number, because the mean of its divisors is an integer number (2119856621400).

Almost surely, 2^{111214123214452} is an apocalyptic number.

It is an amenable number.

111214123214452 is a deficient number, since it is larger than the sum of its proper divisors (92292112439948).

111214123214452 is a wasteful number, since it uses less digits than its factorization.

111214123214452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20617 (or 20615 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

Adding to 111214123214452 its reverse (254412321412111), we get a palindrome (365626444626563).

The spelling of 111214123214452 in words is "one hundred eleven trillion, two hundred fourteen billion, one hundred twenty-three million, two hundred fourteen thousand, four hundred fifty-two".