32021112121 has 2 divisors, whose sum is σ = 32021112122. Its totient is φ = 32021112120.

The previous prime is 32021112041. The next prime is 32021112181. The reversal of 32021112121 is 12121112023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16625265721 + 15395846400 = 128939^2 + 124080^2 .

It is a cyclic number.

It is not a de Polignac number, because 32021112121 - 2¹¹ = 32021110073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32021112095 and 32021112104.

It is not a weakly prime, because it can be changed into another prime (32021112181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010556060 + 16010556061.

It is an arithmetic number, because the mean of its divisors is an integer number (16010556061).

Almost surely, 2^32021112121 is an apocalyptic number.

It is an amenable number.

32021112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32021112121 is an equidigital number, since it uses as much as digits as its factorization.

32021112121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 32021112121 its reverse (12121112023), we get a palindrome (44142224144).

The spelling of 32021112121 in words is "thirty-two billion, twenty-one million, one hundred twelve thousand, one hundred twenty-one".