10122110209979 has 2 divisors, whose sum is σ = 10122110209980. Its totient is φ = 10122110209978.

The previous prime is 10122110209969. The next prime is 10122110210053. The reversal of 10122110209979 is 97990201122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10122110209979 - 2³² = 10117815242683 is a prime.

It is a super-2 number, since 2×10122110209979² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10122110209919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061055104989 + 5061055104990.

It is an arithmetic number, because the mean of its divisors is an integer number (5061055104990).

Almost surely, 2^{10122110209979} is an apocalyptic number.

10122110209979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122110209979 is an equidigital number, since it uses as much as digits as its factorization.

10122110209979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 10122110209979 in words is "ten trillion, one hundred twenty-two billion, one hundred ten million, two hundred nine thousand, nine hundred seventy-nine".