22202101121 has 2 divisors, whose sum is σ = 22202101122. Its totient is φ = 22202101120.

The previous prime is 22202101111. The next prime is 22202101127. The reversal of 22202101121 is 12110120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21694049521 + 508051600 = 147289^2 + 22540^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202101121 - 2³⁰ = 21128359297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22202101096 and 22202101105.

It is not a weakly prime, because it can be changed into another prime (22202101127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101050560 + 11101050561.

It is an arithmetic number, because the mean of its divisors is an integer number (11101050561).

Almost surely, 2^22202101121 is an apocalyptic number.

It is an amenable number.

22202101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202101121 is an equidigital number, since it uses as much as digits as its factorization.

22202101121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22202101121 its reverse (12110120222), we get a palindrome (34312221343).

The spelling of 22202101121 in words is "twenty-two billion, two hundred two million, one hundred one thousand, one hundred twenty-one".