22130221052201 has 8 divisors (see below), whose sum is σ = 23432073148584. Its totient is φ = 20828377221120.

The previous prime is 22130221052197. The next prime is 22130221052287. The reversal of 22130221052201 is 10225012203122.

It can be written as a sum of positive squares in 4 ways, for example, as 4321821052201 + 17808400000000 = 2078899^2 + 4220000^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22130221052201 - 2² = 22130221052197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22130221022201) 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, 3946001 + ... + 7735073.

It is an arithmetic number, because the mean of its divisors is an integer number (2929009143573).

Almost surely, 2^{22130221052201} is an apocalyptic number.

It is an amenable number.

22130221052201 is a deficient number, since it is larger than the sum of its proper divisors (1301852096383).

22130221052201 is a wasteful number, since it uses less digits than its factorization.

22130221052201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132651.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22130221052201 its reverse (10225012203122), we get a palindrome (32355233255323).

The spelling of 22130221052201 in words is "twenty-two trillion, one hundred thirty billion, two hundred twenty-one million, fifty-two thousand, two hundred one".