120021021293 has 2 divisors, whose sum is σ = 120021021294. Its totient is φ = 120021021292.

The previous prime is 120021021271. The next prime is 120021021389. The reversal of 120021021293 is 392120120021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118399992649 + 1621028644 = 344093^2 + 40262^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021021293 - 2³⁶ = 51301544557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021021193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010510646 + 60010510647.

It is an arithmetic number, because the mean of its divisors is an integer number (60010510647).

Almost surely, 2^120021021293 is an apocalyptic number.

It is an amenable number.

120021021293 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021021293 is an equidigital number, since it uses as much as digits as its factorization.

120021021293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 120021021293 in words is "one hundred twenty billion, twenty-one million, twenty-one thousand, two hundred ninety-three".