111010201222020 has 96 divisors (see below), whose sum is σ = 327698397290880. Its totient is φ = 28000930775040.

The previous prime is 111010201222007. The next prime is 111010201222033. The reversal of 111010201222020 is 20222102010111.

111010201222020 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111010201222007) and next prime (111010201222033).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 75226647 + ... + 76688126.

It is an arithmetic number, because the mean of its divisors is an integer number (3413524971780).

Almost surely, 2^{111010201222020} is an apocalyptic number.

111010201222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010201222020 is an abundant number, since it is smaller than the sum of its proper divisors (216688196068860).

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

111010201222020 is a wasteful number, since it uses less digits than its factorization.

111010201222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151915445 (or 151915443 counting only the distinct ones).

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

Adding to 111010201222020 its reverse (20222102010111), we get a palindrome (131232303232131).

The spelling of 111010201222020 in words is "one hundred eleven trillion, ten billion, two hundred one million, two hundred twenty-two thousand, twenty".