2122120201939 has 2 divisors, whose sum is σ = 2122120201940. Its totient is φ = 2122120201938.

The previous prime is 2122120201913. The next prime is 2122120202063. The reversal of 2122120201939 is 9391020212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122120201939 - 2⁹ = 2122120201427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122120201639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061060100969 + 1061060100970.

It is an arithmetic number, because the mean of its divisors is an integer number (1061060100970).

Almost surely, 2^{2122120201939} is an apocalyptic number.

2122120201939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122120201939 is an equidigital number, since it uses as much as digits as its factorization.

2122120201939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 2122120201939 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred one thousand, nine hundred thirty-nine".