221102122102139 has 2 divisors, whose sum is σ = 221102122102140. Its totient is φ = 221102122102138.

The previous prime is 221102122102031. The next prime is 221102122102289. The reversal of 221102122102139 is 931201221201122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221102122102139 - 2¹² = 221102122098043 is a prime.

It is a super-2 number, since 2×221102122102139² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221102122902139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551061051069 + 110551061051070.

It is an arithmetic number, because the mean of its divisors is an integer number (110551061051070).

Almost surely, 2^{221102122102139} is an apocalyptic number.

221102122102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

221102122102139 is an equidigital number, since it uses as much as digits as its factorization.

221102122102139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 221102122102139 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twenty-two million, one hundred two thousand, one hundred thirty-nine".