222121120222101 has 16 divisors (see below), whose sum is σ = 297481547923200. Its totient is φ = 147421056689088.

The previous prime is 222121120222091. The next prime is 222121120222189. The reversal of 222121120222101 is 101222021121222.

222121120222101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222121120222101 - 2¹⁴ = 222121120205717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121120222901) 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, 39489286 + ... + 44762103.

It is an arithmetic number, because the mean of its divisors is an integer number (18592596745200).

Almost surely, 2^{222121120222101} is an apocalyptic number.

It is an amenable number.

222121120222101 is a deficient number, since it is larger than the sum of its proper divisors (75360427701099).

222121120222101 is a wasteful number, since it uses less digits than its factorization.

222121120222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84255308.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222121120222101 its reverse (101222021121222), we get a palindrome (323343141343323).

The spelling of 222121120222101 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, one hundred one".