222101201200020 has 96 divisors (see below), whose sum is σ = 641956063150080. Its totient is φ = 57315372401280.

The previous prime is 222101201200019. The next prime is 222101201200049. The reversal of 222101201200020 is 20002102101222.

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

It is a congruent number.

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, 101408071 + ... + 103575089.

It is an arithmetic number, because the mean of its divisors is an integer number (6687042324480).

Almost surely, 2^{222101201200020} is an apocalyptic number.

222101201200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101201200020 is an abundant number, since it is smaller than the sum of its proper divisors (419854861950060).

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

222101201200020 is a wasteful number, since it uses less digits than its factorization.

222101201200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222165 (or 2222163 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222101201200020 its reverse (20002102101222), we get a palindrome (242103303301242).

The spelling of 222101201200020 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred one million, two hundred thousand, twenty".