111022107840 has 448 divisors, whose sum is σ = 448343731200. Its totient is φ = 25335078912.

The previous prime is 111022107839. The next prime is 111022107857. The reversal of 111022107840 is 48701220111.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51951252 + ... + 51953388.

Almost surely, 2^111022107840 is an apocalyptic number.

111022107840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111022107840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224171865600).

111022107840 is an abundant number, since it is smaller than the sum of its proper divisors (337321623360).

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

111022107840 is a wasteful number, since it uses less digits than its factorization.

111022107840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Adding to 111022107840 its reverse (48701220111), we get a palindrome (159723327951).

The spelling of 111022107840 in words is "one hundred eleven billion, twenty-two million, one hundred seven thousand, eight hundred forty".