102122221049 has 2 divisors, whose sum is σ = 102122221050. Its totient is φ = 102122221048.

The previous prime is 102122220913. The next prime is 102122221051. The reversal of 102122221049 is 940122221201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96721000000 + 5401221049 = 311000^2 + 73493^2 .

It is a cyclic number.

It is not a de Polignac number, because 102122221049 - 2²⁰ = 102121172473 is a prime.

Together with 102122221051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102122211049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061110524 + 51061110525.

It is an arithmetic number, because the mean of its divisors is an integer number (51061110525).

Almost surely, 2^102122221049 is an apocalyptic number.

It is an amenable number.

102122221049 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122221049 is an equidigital number, since it uses as much as digits as its factorization.

102122221049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 102122221049 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, forty-nine".