11532102121 has 2 divisors, whose sum is σ = 11532102122. Its totient is φ = 11532102120.

The previous prime is 11532102091. The next prime is 11532102157. The reversal of 11532102121 is 12120123511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11270794896 + 261307225 = 106164^2 + 16165^2 .

It is an emirp because it is prime and its reverse (12120123511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11532102121 - 2⁷ = 11532101993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11532102721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766051060 + 5766051061.

It is an arithmetic number, because the mean of its divisors is an integer number (5766051061).

Almost surely, 2^11532102121 is an apocalyptic number.

It is an amenable number.

11532102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532102121 is an equidigital number, since it uses as much as digits as its factorization.

11532102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 11532102121 its reverse (12120123511), we get a palindrome (23652225632).

The spelling of 11532102121 in words is "eleven billion, five hundred thirty-two million, one hundred two thousand, one hundred twenty-one".