10120219999 has 2 divisors, whose sum is σ = 10120220000. Its totient is φ = 10120219998.

The previous prime is 10120219973. The next prime is 10120220017. The reversal of 10120219999 is 99991202101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10120219999 - 2²³ = 10111831391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120219699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060109999 + 5060110000.

It is an arithmetic number, because the mean of its divisors is an integer number (5060110000).

Almost surely, 2^10120219999 is an apocalyptic number.

10120219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120219999 is an equidigital number, since it uses as much as digits as its factorization.

10120219999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 10120219999 in words is "ten billion, one hundred twenty million, two hundred nineteen thousand, nine hundred ninety-nine".