111202002021220 has 48 divisors (see below), whose sum is σ = 254761817462208. Its totient is φ = 40435799564160.

The previous prime is 111202002021203. The next prime is 111202002021233. The reversal of 111202002021220 is 22120200202111.

It is a happy number.

It is a super-3 number, since 3×111202002021220³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111202002021194 and 111202002021203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161282 + ... + 14958361.

It is an arithmetic number, because the mean of its divisors is an integer number (5307537863796).

Almost surely, 2^{111202002021220} is an apocalyptic number.

111202002021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202002021220 is an abundant number, since it is smaller than the sum of its proper divisors (143559815440988).

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

111202002021220 is a wasteful number, since it uses less digits than its factorization.

111202002021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151020 (or 16151018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111202002021220 its reverse (22120200202111), we get a palindrome (133322202223331).

The spelling of 111202002021220 in words is "one hundred eleven trillion, two hundred two billion, two million, twenty-one thousand, two hundred twenty".