222201132021 has 12 divisors (see below), whose sum is σ = 350135117280. Its totient is φ = 134667352680.

The previous prime is 222201132007. The next prime is 222201132031. The reversal of 222201132021 is 120231102222.

It is not a de Polignac number, because 222201132021 - 2²⁵ = 222167577589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222201131985 and 222201132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201132031) 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, 1122227841 + ... + 1122228038.

It is an arithmetic number, because the mean of its divisors is an integer number (29177926440).

Almost surely, 2^222201132021 is an apocalyptic number.

It is an amenable number.

222201132021 is a deficient number, since it is larger than the sum of its proper divisors (127933985259).

222201132021 is a wasteful number, since it uses less digits than its factorization.

222201132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244455896 (or 2244455893 counting only the distinct ones).

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

Adding to 222201132021 its reverse (120231102222), we get a palindrome (342432234243).

The spelling of 222201132021 in words is "two hundred twenty-two billion, two hundred one million, one hundred thirty-two thousand, twenty-one".