2122101999937 has 2 divisors, whose sum is σ = 2122101999938. Its totient is φ = 2122101999936.

The previous prime is 2122101999929. The next prime is 2122101999971. The reversal of 2122101999937 is 7399991012212.

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., 1996297713216 + 125804286721 = 1412904^2 + 354689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122101999937 - 2³ = 2122101999929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122101999037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061050999968 + 1061050999969.

It is an arithmetic number, because the mean of its divisors is an integer number (1061050999969).

Almost surely, 2^{2122101999937} is an apocalyptic number.

It is an amenable number.

2122101999937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122101999937 is an equidigital number, since it uses as much as digits as its factorization.

2122101999937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 2122101999937 in words is "two trillion, one hundred twenty-two billion, one hundred one million, nine hundred ninety-nine thousand, nine hundred thirty-seven".