2321002102981 has 2 divisors, whose sum is σ = 2321002102982. Its totient is φ = 2321002102980.

The previous prime is 2321002102963. The next prime is 2321002103003. The reversal of 2321002102981 is 1892012001232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210594072900 + 1110408030081 = 1100270^2 + 1053759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321002102981 - 2⁹ = 2321002102469 is a prime.

It is a super-2 number, since 2×2321002102981² (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 (2321002102931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160501051490 + 1160501051491.

It is an arithmetic number, because the mean of its divisors is an integer number (1160501051491).

Almost surely, 2^{2321002102981} is an apocalyptic number.

It is an amenable number.

2321002102981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321002102981 is an equidigital number, since it uses as much as digits as its factorization.

2321002102981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 2321002102981 in words is "two trillion, three hundred twenty-one billion, two million, one hundred two thousand, nine hundred eighty-one".