2653102121 has 2 divisors, whose sum is σ = 2653102122. Its totient is φ = 2653102120.

The previous prime is 2653102103. The next prime is 2653102157. The reversal of 2653102121 is 1212013562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1574899225 + 1078202896 = 39685^2 + 32836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2653102121 - 2²² = 2648907817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2653102321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326551060 + 1326551061.

It is an arithmetic number, because the mean of its divisors is an integer number (1326551061).

Almost surely, 2^2653102121 is an apocalyptic number.

It is an amenable number.

2653102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2653102121 is an equidigital number, since it uses as much as digits as its factorization.

2653102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2653102121 is about 51508.2723550305. The cubic root of 2653102121 is about 1384.3672679691.

Adding to 2653102121 its reverse (1212013562), we get a palindrome (3865115683).

The spelling of 2653102121 in words is "two billion, six hundred fifty-three million, one hundred two thousand, one hundred twenty-one".