22202121011121 has 12 divisors (see below), whose sum is σ = 32100302079300. Its totient is φ = 14787303978240.

The previous prime is 22202121011017. The next prime is 22202121011167. The reversal of 22202121011121 is 12111012120222.

It can be written as a sum of positive squares in 2 ways, for example, as 16854760757025 + 5347360254096 = 4105455^2 + 2312436^2 .

It is not a de Polignac number, because 22202121011121 - 2²¹ = 22202118913969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22202121011094 and 22202121011103.

It is not an unprimeable number, because it can be changed into a prime (22202121012121) 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, 1175825800 + ... + 1175844681.

It is an arithmetic number, because the mean of its divisors is an integer number (2675025173275).

Almost surely, 2^{22202121011121} is an apocalyptic number.

It is an amenable number.

22202121011121 is a deficient number, since it is larger than the sum of its proper divisors (9898181068179).

22202121011121 is a wasteful number, since it uses less digits than its factorization.

22202121011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351671536 (or 2351671533 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22202121011121 its reverse (12111012120222), we get a palindrome (34313133131343).

The spelling of 22202121011121 in words is "twenty-two trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, one hundred twenty-one".