2121222122053 has 2 divisors, whose sum is σ = 2121222122054. Its totient is φ = 2121222122052.

The previous prime is 2121222121987. The next prime is 2121222122137. The reversal of 2121222122053 is 3502212221212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1938215271204 + 183006850849 = 1392198^2 + 427793^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121222122053 - 2²⁹ = 2120685251141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121222132053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060611061026 + 1060611061027.

It is an arithmetic number, because the mean of its divisors is an integer number (1060611061027).

Almost surely, 2^{2121222122053} is an apocalyptic number.

It is an amenable number.

2121222122053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121222122053 is an equidigital number, since it uses as much as digits as its factorization.

2121222122053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2121222122053 its reverse (3502212221212), we get a palindrome (5623434343265).

The spelling of 2121222122053 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, fifty-three".