222000120130221 has 24 divisors (see below), whose sum is σ = 337904281653120. Its totient is φ = 140060964303936.

The previous prime is 222000120130171. The next prime is 222000120130253. The reversal of 222000120130221 is 122031021000222.

222000120130221 is a `hidden beast` number, since 2 + 220 + 0 + 0 + 120 + 1 + 302 + 21 = 666.

It is not a de Polignac number, because 222000120130221 - 2¹⁵ = 222000120097453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222000120130194 and 222000120130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000120130121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692607285 + ... + 692927738.

It is an arithmetic number, because the mean of its divisors is an integer number (14079345068880).

Almost surely, 2^{222000120130221} is an apocalyptic number.

It is an amenable number.

222000120130221 is a deficient number, since it is larger than the sum of its proper divisors (115904161522899).

222000120130221 is a wasteful number, since it uses less digits than its factorization.

222000120130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385535985 (or 1385535982 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222000120130221 its reverse (122031021000222), we get a palindrome (344031141130443).

The spelling of 222000120130221 in words is "two hundred twenty-two trillion, one hundred twenty million, one hundred thirty thousand, two hundred twenty-one".