101919157199 has 8 divisors (see below), whose sum is σ = 103158945792. Its totient is φ = 100679650840.

The previous prime is 101919157183. The next prime is 101919157201. The reversal of 101919157199 is 991751919101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101919157199 - 2⁴ = 101919157183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101919157199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101919151199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707954 + ... + 839664.

It is an arithmetic number, because the mean of its divisors is an integer number (12894868224).

Almost surely, 2^101919157199 is an apocalyptic number.

101919157199 is a deficient number, since it is larger than the sum of its proper divisors (1239788593).

101919157199 is an equidigital number, since it uses as much as digits as its factorization.

101919157199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141117.

The product of its (nonzero) digits is 229635, while the sum is 53.

The spelling of 101919157199 in words is "one hundred one billion, nine hundred nineteen million, one hundred fifty-seven thousand, one hundred ninety-nine".