111210202002220 has 48 divisors (see below), whose sum is σ = 234178378511616. Its totient is φ = 44362881080000.

The previous prime is 111210202002127. The next prime is 111210202002259. The reversal of 111210202002220 is 22200202012111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111210202002194 and 111210202002203.

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, 10346385 + ... + 18151255.

It is an arithmetic number, because the mean of its divisors is an integer number (4878716218992).

Almost surely, 2^{111210202002220} is an apocalyptic number.

111210202002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210202002220 is an abundant number, since it is smaller than the sum of its proper divisors (122968176509396).

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

111210202002220 is a wasteful number, since it uses less digits than its factorization.

111210202002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806822 (or 7806820 counting only the distinct ones).

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

Adding to 111210202002220 its reverse (22200202012111), we get a palindrome (133410404014331).

The spelling of 111210202002220 in words is "one hundred eleven trillion, two hundred ten billion, two hundred two million, two thousand, two hundred twenty".