111122242040 has 16 divisors (see below), whose sum is σ = 250025044680. Its totient is φ = 44448896800.

The previous prime is 111122242037. The next prime is 111122242069. The reversal of 111122242040 is 40242221111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389027986 + ... + 1389028065.

Almost surely, 2^111122242040 is an apocalyptic number.

111122242040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122242040 is an abundant number, since it is smaller than the sum of its proper divisors (138902802640).

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

111122242040 is a wasteful number, since it uses less digits than its factorization.

111122242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778056062 (or 2778056058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 111122242040 its reverse (40242221111), we get a palindrome (151364463151).

The spelling of 111122242040 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred forty-two thousand, forty".