32121122081 has 2 divisors, whose sum is σ = 32121122082. Its totient is φ = 32121122080.

The previous prime is 32121122017. The next prime is 32121122119. The reversal of 32121122081 is 18022112123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24748323856 + 7372798225 = 157316^2 + 85865^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121122081 - 2⁶ = 32121122017 is a prime.

It is a super-2 number, since 2×32121122081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32121122281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060561040 + 16060561041.

It is an arithmetic number, because the mean of its divisors is an integer number (16060561041).

Almost surely, 2^32121122081 is an apocalyptic number.

It is an amenable number.

32121122081 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121122081 is an equidigital number, since it uses as much as digits as its factorization.

32121122081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 32121122081 in words is "thirty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, eighty-one".