222010121221001 has 16 divisors (see below), whose sum is σ = 245074693906944. Its totient is φ = 200240602808064.

The previous prime is 222010121220997. The next prime is 222010121221033. The reversal of 222010121221001 is 100122121010222.

222010121221001 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 222010121221001 - 2² = 222010121220997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (222010121221051) 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, 2865125561 + ... + 2865203046.

It is an arithmetic number, because the mean of its divisors is an integer number (15317168369184).

Almost surely, 2^{222010121221001} is an apocalyptic number.

It is an amenable number.

222010121221001 is a deficient number, since it is larger than the sum of its proper divisors (23064572685943).

222010121221001 is a wasteful number, since it uses less digits than its factorization.

222010121221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730328720.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222010121221001 its reverse (100122121010222), we get a palindrome (322132242231223).

The spelling of 222010121221001 in words is "two hundred twenty-two trillion, ten billion, one hundred twenty-one million, two hundred twenty-one thousand, one".