32112121121 has 2 divisors, whose sum is σ = 32112121122. Its totient is φ = 32112121120.

The previous prime is 32112121057. The next prime is 32112121133. The reversal of 32112121121 is 12112121123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29777298721 + 2334822400 = 172561^2 + 48320^2 .

It is a cyclic number.

It is not a de Polignac number, because 32112121121 - 2⁶ = 32112121057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32112121121.

It is not a weakly prime, because it can be changed into another prime (32112120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16056060560 + 16056060561.

It is an arithmetic number, because the mean of its divisors is an integer number (16056060561).

Almost surely, 2^32112121121 is an apocalyptic number.

It is an amenable number.

32112121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32112121121 is an equidigital number, since it uses as much as digits as its factorization.

32112121121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 17.

Adding to 32112121121 its reverse (12112121123), we get a palindrome (44224242244).

The spelling of 32112121121 in words is "thirty-two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".