101992189111 has 8 divisors (see below), whose sum is σ = 102901568000. Its totient is φ = 101085888600.

The previous prime is 101992189067. The next prime is 101992189147. The reversal of 101992189111 is 111981299101.

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 101992189111 - 2⁷ = 101992188983 is a prime.

It is a super-3 number, since 3×101992189111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101992189181) 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, 703011 + ... + 835588.

It is an arithmetic number, because the mean of its divisors is an integer number (12862696000).

Almost surely, 2^101992189111 is an apocalyptic number.

101992189111 is a deficient number, since it is larger than the sum of its proper divisors (909378889).

101992189111 is a wasteful number, since it uses less digits than its factorization.

101992189111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539189.

The product of its (nonzero) digits is 11664, while the sum is 43.

The spelling of 101992189111 in words is "one hundred one billion, nine hundred ninety-two million, one hundred eighty-nine thousand, one hundred eleven".