222323121010121 has 8 divisors (see below), whose sum is σ = 222963687765000. Its totient is φ = 221682574471680.

The previous prime is 222323121010103. The next prime is 222323121010127. The reversal of 222323121010121 is 121010121323222.

222323121010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 114608654521 + 222208512355600 = 338539^2 + 14906660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222323121010121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222323121010127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17111705 + ... + 27156153.

It is an arithmetic number, because the mean of its divisors is an integer number (27870460970625).

Almost surely, 2^{222323121010121} is an apocalyptic number.

It is an amenable number.

222323121010121 is a deficient number, since it is larger than the sum of its proper divisors (640566754879).

222323121010121 is a wasteful number, since it uses less digits than its factorization.

222323121010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108219.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 222323121010121 its reverse (121010121323222), we get a palindrome (343333242333343).

The spelling of 222323121010121 in words is "two hundred twenty-two trillion, three hundred twenty-three billion, one hundred twenty-one million, ten thousand, one hundred twenty-one".