222101300123121 has 4 divisors (see below), whose sum is σ = 296135066830832. Its totient is φ = 148067533415412.

The previous prime is 222101300123093. The next prime is 222101300123207. The reversal of 222101300123121 is 121321003101222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222101300123121 - 2¹⁹ = 222101299598833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222101300125121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37016883353851 + ... + 37016883353856.

It is an arithmetic number, because the mean of its divisors is an integer number (74033766707708).

Almost surely, 2^{222101300123121} is an apocalyptic number.

It is an amenable number.

222101300123121 is a deficient number, since it is larger than the sum of its proper divisors (74033766707711).

222101300123121 is an equidigital number, since it uses as much as digits as its factorization.

222101300123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74033766707710.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 222101300123121 its reverse (121321003101222), we get a palindrome (343422303224343).

The spelling of 222101300123121 in words is "two hundred twenty-two trillion, one hundred one billion, three hundred million, one hundred twenty-three thousand, one hundred twenty-one".