111002021121120 has 96 divisors (see below), whose sum is σ = 349664690592000. Its totient is φ = 29599834283520.

The previous prime is 111002021121109. The next prime is 111002021121127. The reversal of 111002021121120 is 21121120200111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111002021121120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002021121127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17587381 + ... + 23050379.

It is an arithmetic number, because the mean of its divisors is an integer number (3642340527000).

Almost surely, 2^{111002021121120} is an apocalyptic number.

111002021121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002021121120 is an abundant number, since it is smaller than the sum of its proper divisors (238662669470880).

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

111002021121120 is a wasteful number, since it uses less digits than its factorization.

111002021121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505348 (or 5505340 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111002021121120 its reverse (21121120200111), we get a palindrome (132123141321231).

The spelling of 111002021121120 in words is "one hundred eleven trillion, two billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty".