2122013220049 has 2 divisors, whose sum is σ = 2122013220050. Its totient is φ = 2122013220048.

The previous prime is 2122013220043. The next prime is 2122013220149. The reversal of 2122013220049 is 9400223102212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2062762357824 + 59250862225 = 1436232^2 + 243415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122013220049 - 2²¹ = 2122011122897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122013219999 and 2122013220026.

It is not a weakly prime, because it can be changed into another prime (2122013220043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061006610024 + 1061006610025.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006610025).

Almost surely, 2^{2122013220049} is an apocalyptic number.

It is an amenable number.

2122013220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122013220049 is an equidigital number, since it uses as much as digits as its factorization.

2122013220049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 2122013220049 in words is "two trillion, one hundred twenty-two billion, thirteen million, two hundred twenty thousand, forty-nine".