111201022002220 has 24 divisors (see below), whose sum is σ = 234365186455344. Its totient is φ = 44319829705536.

The previous prime is 111201022002181. The next prime is 111201022002229. The reversal of 111201022002220 is 22200220102111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111201022002194 and 111201022002203.

It is not an unprimeable number, because it can be changed into a prime (111201022002229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10036187782 + ... + 10036198861.

It is an arithmetic number, because the mean of its divisors is an integer number (9765216102306).

Almost surely, 2^{111201022002220} is an apocalyptic number.

111201022002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201022002220 is an abundant number, since it is smaller than the sum of its proper divisors (123164164453124).

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

111201022002220 is a wasteful number, since it uses less digits than its factorization.

111201022002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072386929 (or 20072386927 counting only the distinct ones).

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

Adding to 111201022002220 its reverse (22200220102111), we get a palindrome (133401242104331).

The spelling of 111201022002220 in words is "one hundred eleven trillion, two hundred one billion, twenty-two million, two thousand, two hundred twenty".