100019111091 has 8 divisors (see below), whose sum is σ = 141203451024. Its totient is φ = 62757089280.

The previous prime is 100019111081. The next prime is 100019111107. The reversal of 100019111091 is 190111910001.

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

It is not a de Polignac number, because 100019111091 - 2⁷ = 100019110963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100019111021) 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, 980579470 + ... + 980579571.

It is an arithmetic number, because the mean of its divisors is an integer number (17650431378).

Almost surely, 2^100019111091 is an apocalyptic number.

100019111091 is a deficient number, since it is larger than the sum of its proper divisors (41184339933).

100019111091 is a wasteful number, since it uses less digits than its factorization.

100019111091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961159061.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 100019111091 in words is "one hundred billion, nineteen million, one hundred eleven thousand, ninety-one".