111143041221144 has 32 divisors (see below), whose sum is σ = 277857896505840. Its totient is φ = 37047641280000.

The previous prime is 111143041221137. The next prime is 111143041221193. The reversal of 111143041221144 is 441122140341111.

It is a super-2 number, since 2×111143041221144² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 29009644 + ... + 32616644.

Almost surely, 2^{111143041221144} is an apocalyptic number.

It is an amenable number.

111143041221144 is an abundant number, since it is smaller than the sum of its proper divisors (166714855284696).

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

111143041221144 is a wasteful number, since it uses less digits than its factorization.

111143041221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890891 (or 4890887 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 111143041221144 its reverse (441122140341111), we get a palindrome (552265181562255).

The spelling of 111143041221144 in words is "one hundred eleven trillion, one hundred forty-three billion, forty-one million, two hundred twenty-one thousand, one hundred forty-four".