101219970139 has 2 divisors, whose sum is σ = 101219970140. Its totient is φ = 101219970138.

The previous prime is 101219970127. The next prime is 101219970197. The reversal of 101219970139 is 931079912101.

It is a weak prime.

It is an emirp because it is prime and its reverse (931079912101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101219970139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101219970095 and 101219970104.

It is not a weakly prime, because it can be changed into another prime (101219974139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50609985069 + 50609985070.

It is an arithmetic number, because the mean of its divisors is an integer number (50609985070).

Almost surely, 2^101219970139 is an apocalyptic number.

101219970139 is a deficient number, since it is larger than the sum of its proper divisors (1).

101219970139 is an equidigital number, since it uses as much as digits as its factorization.

101219970139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 43.

The spelling of 101219970139 in words is "one hundred one billion, two hundred nineteen million, nine hundred seventy thousand, one hundred thirty-nine".