120022001381 has 2 divisors, whose sum is σ = 120022001382. Its totient is φ = 120022001380.

The previous prime is 120022001321. The next prime is 120022001389. The reversal of 120022001381 is 183100220021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91987857025 + 28034144356 = 303295^2 + 167434^2 .

It is an emirp because it is prime and its reverse (183100220021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120022001381 - 2⁶ = 120022001317 is a prime.

It is a super-2 number, since 2×120022001381² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120022001389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011000690 + 60011000691.

It is an arithmetic number, because the mean of its divisors is an integer number (60011000691).

Almost surely, 2^120022001381 is an apocalyptic number.

It is an amenable number.

120022001381 is a deficient number, since it is larger than the sum of its proper divisors (1).

120022001381 is an equidigital number, since it uses as much as digits as its factorization.

120022001381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The spelling of 120022001381 in words is "one hundred twenty billion, twenty-two million, one thousand, three hundred eighty-one".