111001001222020 has 96 divisors (see below), whose sum is σ = 293892332138496. Its totient is φ = 34273158220800.

The previous prime is 111001001221991. The next prime is 111001001222047. The reversal of 111001001222020 is 20222100100111.

111001001222020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743700516 + ... + 743849755.

It is an arithmetic number, because the mean of its divisors is an integer number (3061378459776).

Almost surely, 2^{111001001222020} is an apocalyptic number.

111001001222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001001222020 is an abundant number, since it is smaller than the sum of its proper divisors (182891330916476).

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

111001001222020 is a wasteful number, since it uses less digits than its factorization.

111001001222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487550341 (or 1487550339 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111001001222020 its reverse (20222100100111), we get a palindrome (131223101322131).

The spelling of 111001001222020 in words is "one hundred eleven trillion, one billion, one million, two hundred twenty-two thousand, twenty".