222201121000001 has 16 divisors (see below), whose sum is σ = 261050858315520. Its totient is φ = 186460059525120.

The previous prime is 222201120999859. The next prime is 222201121000091. The reversal of 222201121000001 is 100000121102222.

It is a cyclic number.

It is not a de Polignac number, because 222201121000001 - 2²⁶ = 222201053891137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222201121000001.

It is not an unprimeable number, because it can be changed into a prime (222201121000091) 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, 1019201 + ... + 21105473.

It is an arithmetic number, because the mean of its divisors is an integer number (16315678644720).

Almost surely, 2^{222201121000001} is an apocalyptic number.

It is an amenable number.

222201121000001 is a deficient number, since it is larger than the sum of its proper divisors (38849737315519).

222201121000001 is a wasteful number, since it uses less digits than its factorization.

222201121000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20163656.

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

Adding to 222201121000001 its reverse (100000121102222), we get a palindrome (322201242102223).

The spelling of 222201121000001 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, one", and thus it is an aban number.