111152103420 has 48 divisors (see below), whose sum is σ = 312700929408. Its totient is φ = 29500080960.

The previous prime is 111152103407. The next prime is 111152103431. The reversal of 111152103420 is 24301251111.

It is a congruent number.

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, 4377234 + ... + 4402553.

It is an arithmetic number, because the mean of its divisors is an integer number (6514602696).

Almost surely, 2^111152103420 is an apocalyptic number.

111152103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111152103420 is an abundant number, since it is smaller than the sum of its proper divisors (201548825988).

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

111152103420 is a wasteful number, since it uses less digits than its factorization.

111152103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780010 (or 8780008 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111152103420 its reverse (24301251111), we get a palindrome (135453354531).

The spelling of 111152103420 in words is "one hundred eleven billion, one hundred fifty-two million, one hundred three thousand, four hundred twenty".