101992011819 has 8 divisors (see below), whose sum is σ = 143988722640. Its totient is φ = 63994987776.

The previous prime is 101992011791. The next prime is 101992011833. The reversal of 101992011819 is 918110299101.

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

It is not a de Polignac number, because 101992011819 - 2¹⁵ = 101991979051 is a prime.

It is a super-2 number, since 2×101992011819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101992011119) 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, 999921634 + ... + 999921735.

It is an arithmetic number, because the mean of its divisors is an integer number (17998590330).

Almost surely, 2^101992011819 is an apocalyptic number.

101992011819 is a deficient number, since it is larger than the sum of its proper divisors (41996710821).

101992011819 is a wasteful number, since it uses less digits than its factorization.

101992011819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999843389.

The product of its (nonzero) digits is 11664, while the sum is 42.

The spelling of 101992011819 in words is "one hundred one billion, nine hundred ninety-two million, eleven thousand, eight hundred nineteen".