222311300121 has 12 divisors (see below), whose sum is σ = 321120699172. Its totient is φ = 148205513376.

The previous prime is 222311300119. The next prime is 222311300143. The reversal of 222311300121 is 121003113222.

It can be written as a sum of positive squares in 2 ways, for example, as 89039576025 + 133271724096 = 298395^2 + 365064^2 .

It is not a de Polignac number, because 222311300121 - 2¹ = 222311300119 is a prime.

It is a super-2 number, since 2×222311300121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222311300094 and 222311300103.

It is not an unprimeable number, because it can be changed into a prime (222311305121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858015 + ... + 1086651.

Almost surely, 2^222311300121 is an apocalyptic number.

It is an amenable number.

222311300121 is a deficient number, since it is larger than the sum of its proper divisors (98809399051).

222311300121 is a wasteful number, since it uses less digits than its factorization.

222311300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336680 (or 336677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 222311300121 its reverse (121003113222), we get a palindrome (343314413343).

The spelling of 222311300121 in words is "two hundred twenty-two billion, three hundred eleven million, three hundred thousand, one hundred twenty-one".