1302010112021 has 2 divisors, whose sum is σ = 1302010112022. Its totient is φ = 1302010112020.

The previous prime is 1302010112009. The next prime is 1302010112027. The reversal of 1302010112021 is 1202110102031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1228747863121 + 73262248900 = 1108489^2 + 270670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302010112021 - 2¹⁴ = 1302010095637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302010111987 and 1302010112005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302010112027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651005056010 + 651005056011.

It is an arithmetic number, because the mean of its divisors is an integer number (651005056011).

Almost surely, 2^{1302010112021} is an apocalyptic number.

It is an amenable number.

1302010112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302010112021 is an equidigital number, since it uses as much as digits as its factorization.

1302010112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1302010112021 its reverse (1202110102031), we get a palindrome (2504120214052).

The spelling of 1302010112021 in words is "one trillion, three hundred two billion, ten million, one hundred twelve thousand, twenty-one".