100971111 has 8 divisors (see below), whose sum is σ = 141713920. Its totient is φ = 63771192.

The previous prime is 100971107. The next prime is 100971119. The reversal of 100971111 is 111179001.

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

It is not a de Polignac number, because 100971111 - 2² = 100971107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100971119) 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, 885655 + ... + 885768.

It is an arithmetic number, because the mean of its divisors is an integer number (17714240).

Almost surely, 2^100971111 is an apocalyptic number.

100971111 is a deficient number, since it is larger than the sum of its proper divisors (40742809).

100971111 is a wasteful number, since it uses less digits than its factorization.

100971111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771445.

The product of its (nonzero) digits is 63, while the sum is 21.

The square root of 100971111 is about 10048.4382368605. The cubic root of 100971111 is about 465.6565451115.

The spelling of 100971111 in words is "one hundred million, nine hundred seventy-one thousand, one hundred eleven".