2121002332153 has 2 divisors, whose sum is σ = 2121002332154. Its totient is φ = 2121002332152.

The previous prime is 2121002332103. The next prime is 2121002332279. The reversal of 2121002332153 is 3512332001212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2109079439289 + 11922892864 = 1452267^2 + 109192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121002332153 - 2²¹ = 2121000235001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121002332103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060501166076 + 1060501166077.

It is an arithmetic number, because the mean of its divisors is an integer number (1060501166077).

Almost surely, 2^{2121002332153} is an apocalyptic number.

It is an amenable number.

2121002332153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121002332153 is an equidigital number, since it uses as much as digits as its factorization.

2121002332153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2121002332153 its reverse (3512332001212), we get a palindrome (5633334333365).

The spelling of 2121002332153 in words is "two trillion, one hundred twenty-one billion, two million, three hundred thirty-two thousand, one hundred fifty-three".