111110221010120 has 64 divisors (see below), whose sum is σ = 252480441798000. Its totient is φ = 44002790092800.

The previous prime is 111110221010059. The next prime is 111110221010137. The reversal of 111110221010120 is 21010122011111.

It can be written as a sum of positive squares in 8 ways, for example, as 50875951376644 + 60234269633476 = 7132738^2 + 7761074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111110221010095 and 111110221010104.

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, 147881156 + ... + 148630604.

Almost surely, 2^{111110221010120} is an apocalyptic number.

111110221010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110221010120 is an abundant number, since it is smaller than the sum of its proper divisors (141370220787880).

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

111110221010120 is a wasteful number, since it uses less digits than its factorization.

111110221010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786258 (or 786254 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111110221010120 its reverse (21010122011111), we get a palindrome (132120343021231).

The spelling of 111110221010120 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty-one million, ten thousand, one hundred twenty".