222130130121 has 12 divisors (see below), whose sum is σ = 324916084480. Its totient is φ = 146212237080.

The previous prime is 222130130099. The next prime is 222130130141. The reversal of 222130130121 is 121031031222.

222130130121 is a `hidden beast` number, since 22 + 21 + 301 + 301 + 21 = 666.

It is not a de Polignac number, because 222130130121 - 2³⁴ = 204950260937 is a prime.

It is a super-4 number, since 4×222130130121⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222130130094 and 222130130103.

It is not an unprimeable number, because it can be changed into a prime (222130130141) 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, 156208945 + ... + 156210366.

Almost surely, 2^222130130121 is an apocalyptic number.

It is an amenable number.

222130130121 is a deficient number, since it is larger than the sum of its proper divisors (102785954359).

222130130121 is a wasteful number, since it uses less digits than its factorization.

222130130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312419396 (or 312419393 counting only the distinct ones).

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

Adding to 222130130121 its reverse (121031031222), we get a palindrome (343161161343).

The spelling of 222130130121 in words is "two hundred twenty-two billion, one hundred thirty million, one hundred thirty thousand, one hundred twenty-one".