111020002021120 has 72 divisors (see below), whose sum is σ = 269293770970560. Its totient is φ = 43845874176000.

The previous prime is 111020002021079. The next prime is 111020002021133. The reversal of 111020002021120 is 21120200020111.

It is a self number, because there is not a number n which added to its sum of digits gives 111020002021120.

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, 548850631 + ... + 549052870.

It is an arithmetic number, because the mean of its divisors is an integer number (3740191263480).

Almost surely, 2^{111020002021120} is an apocalyptic number.

111020002021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020002021120 is an abundant number, since it is smaller than the sum of its proper divisors (158273768949440).

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

111020002021120 is an equidigital number, since it uses as much as digits as its factorization.

111020002021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097903601 (or 1097903587 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111020002021120 its reverse (21120200020111), we get a palindrome (132140202041231).

The spelling of 111020002021120 in words is "one hundred eleven trillion, twenty billion, two million, twenty-one thousand, one hundred twenty".