3232021121981 has 2 divisors, whose sum is σ = 3232021121982. Its totient is φ = 3232021121980.

The previous prime is 3232021121933. The next prime is 3232021122007. The reversal of 3232021121981 is 1891211202323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2723853168100 + 508167953881 = 1650410^2 + 712859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3232021121981 is a prime.

It is a super-2 number, since 2×3232021121981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3232021127981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616010560990 + 1616010560991.

It is an arithmetic number, because the mean of its divisors is an integer number (1616010560991).

Almost surely, 2^{3232021121981} is an apocalyptic number.

It is an amenable number.

3232021121981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3232021121981 is an equidigital number, since it uses as much as digits as its factorization.

3232021121981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 3232021121981 in words is "three trillion, two hundred thirty-two billion, twenty-one million, one hundred twenty-one thousand, nine hundred eighty-one".