100120219499 has 2 divisors, whose sum is σ = 100120219500. Its totient is φ = 100120219498.

The previous prime is 100120219447. The next prime is 100120219501. The reversal of 100120219499 is 994912021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120219499 is a prime.

It is a super-2 number, since 2×100120219499² (a number of 23 digits) contains 22 as substring.

Together with 100120219501, 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 (100120219439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060109749 + 50060109750.

It is an arithmetic number, because the mean of its divisors is an integer number (50060109750).

Almost surely, 2^100120219499 is an apocalyptic number.

100120219499 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120219499 is an equidigital number, since it uses as much as digits as its factorization.

100120219499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 100120219499 in words is "one hundred billion, one hundred twenty million, two hundred nineteen thousand, four hundred ninety-nine".