111002122010220 has 72 divisors (see below), whose sum is σ = 361549768842864. Its totient is φ = 25371913601664.

The previous prime is 111002122010089. The next prime is 111002122010237. The reversal of 111002122010220 is 22010221200111.

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 111002122010220.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18877908967 + ... + 18877914846.

It is an arithmetic number, because the mean of its divisors is an integer number (5021524567262).

Almost surely, 2^{111002122010220} is an apocalyptic number.

111002122010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002122010220 is an abundant number, since it is smaller than the sum of its proper divisors (250547646832644).

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

111002122010220 is a wasteful number, since it uses less digits than its factorization.

111002122010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37755823839 (or 37755823830 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111002122010220 its reverse (22010221200111), we get a palindrome (133012343210331).

The spelling of 111002122010220 in words is "one hundred eleven trillion, two billion, one hundred twenty-two million, ten thousand, two hundred twenty".