2122221211837 has 2 divisors, whose sum is σ = 2122221211838. Its totient is φ = 2122221211836.

The previous prime is 2122221211757. The next prime is 2122221211849. The reversal of 2122221211837 is 7381121222212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144602559321 + 977618652516 = 1069861^2 + 988746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122221211837 - 2¹⁵ = 2122221179069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122221211897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061110605918 + 1061110605919.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110605919).

Almost surely, 2^{2122221211837} is an apocalyptic number.

It is an amenable number.

2122221211837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122221211837 is an equidigital number, since it uses as much as digits as its factorization.

2122221211837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The spelling of 2122221211837 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, eight hundred thirty-seven".