222001101200021 has 16 divisors (see below), whose sum is σ = 260813290348800. Its totient is φ = 186294053363520.

The previous prime is 222001101200017. The next prime is 222001101200023. The reversal of 222001101200021 is 120002101100222.

222001101200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222001101200021 - 2² = 222001101200017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222001101199969 and 222001101200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001101200023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47541380 + ... + 52001778.

It is an arithmetic number, because the mean of its divisors is an integer number (16300830646800).

Almost surely, 2^{222001101200021} is an apocalyptic number.

It is an amenable number.

222001101200021 is a deficient number, since it is larger than the sum of its proper divisors (38812189148779).

222001101200021 is a wasteful number, since it uses less digits than its factorization.

222001101200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808476.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222001101200021 its reverse (120002101100222), we get a palindrome (342003202300243).

The spelling of 222001101200021 in words is "two hundred twenty-two trillion, one billion, one hundred one million, two hundred thousand, twenty-one".