1302022032121 has 2 divisors, whose sum is σ = 1302022032122. Its totient is φ = 1302022032120.

The previous prime is 1302022032119. The next prime is 1302022032127. The reversal of 1302022032121 is 1212302202031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1266513906025 + 35508126096 = 1125395^2 + 188436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302022032121 - 2¹ = 1302022032119 is a prime.

It is a super-2 number, since 2×1302022032121² (a number of 25 digits) contains 22 as substring.

Together with 1302022032119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1302022032127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651011016060 + 651011016061.

It is an arithmetic number, because the mean of its divisors is an integer number (651011016061).

Almost surely, 2^{1302022032121} is an apocalyptic number.

It is an amenable number.

1302022032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302022032121 is an equidigital number, since it uses as much as digits as its factorization.

1302022032121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1302022032121 its reverse (1212302202031), we get a palindrome (2514324234152).

The spelling of 1302022032121 in words is "one trillion, three hundred two billion, twenty-two million, thirty-two thousand, one hundred twenty-one".