222121101313 has 4 divisors (see below), whose sum is σ = 226847082240. Its totient is φ = 217395120388.

The previous prime is 222121101283. The next prime is 222121101359. The reversal of 222121101313 is 313101121222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313101121222 = 2 ⋅156550560611.

It is a cyclic number.

It is not a de Polignac number, because 222121101313 - 2⁵ = 222121101281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121101383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362990393 + ... + 2362990486.

It is an arithmetic number, because the mean of its divisors is an integer number (56711770560).

Almost surely, 2^222121101313 is an apocalyptic number.

It is an amenable number.

222121101313 is a deficient number, since it is larger than the sum of its proper divisors (4725980927).

222121101313 is an equidigital number, since it uses as much as digits as its factorization.

222121101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725980926.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222121101313 its reverse (313101121222), we get a palindrome (535222222535).

The spelling of 222121101313 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, three hundred thirteen".