2202123245121 has 12 divisors (see below), whose sum is σ = 3180859059300. Its totient is φ = 1468075530240.

The previous prime is 2202123245099. The next prime is 2202123245191. The reversal of 2202123245121 is 1215423212022.

2202123245121 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 123 + 24 + 512 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1135631235600 + 1066492009521 = 1065660^2 + 1032711^2 .

It is not a de Polignac number, because 2202123245121 - 2³⁰ = 2201049503297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2202123245191) 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, 2354701 + ... + 3154181.

It is an arithmetic number, because the mean of its divisors is an integer number (265071588275).

Almost surely, 2^{2202123245121} is an apocalyptic number.

It is an amenable number.

2202123245121 is a deficient number, since it is larger than the sum of its proper divisors (978735814179).

2202123245121 is a wasteful number, since it uses less digits than its factorization.

2202123245121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105536 (or 1105533 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2202123245121 its reverse (1215423212022), we get a palindrome (3417546457143).

The spelling of 2202123245121 in words is "two trillion, two hundred two billion, one hundred twenty-three million, two hundred forty-five thousand, one hundred twenty-one".