222101022112020 has 144 divisors (see below), whose sum is σ = 710802465522240. Its totient is φ = 55980147852288.

The previous prime is 222101022112019. The next prime is 222101022112027. The reversal of 222101022112020 is 20211220101222.

It is a happy number.

222101022112020 is a `hidden beast` number, since 22 + 210 + 10 + 221 + 1 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222101022111984 and 222101022112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101022112027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73509694 + ... + 76471413.

Almost surely, 2^{222101022112020} is an apocalyptic number.

222101022112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101022112020 is an abundant number, since it is smaller than the sum of its proper divisors (488701443410220).

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

222101022112020 is a wasteful number, since it uses less digits than its factorization.

222101022112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149981574 (or 149981569 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222101022112020 its reverse (20211220101222), we get a palindrome (242312242213242).

The spelling of 222101022112020 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-two million, one hundred twelve thousand, twenty".