100111010999999 has 4 divisors (see below), whose sum is σ = 100430854485936. Its totient is φ = 99791167514064.

The previous prime is 100111010999981. The next prime is 100111011000001. The reversal of 100111010999999 is 999999010111001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111010999999 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 (100111010999929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159921742499 + ... + 159921743124.

It is an arithmetic number, because the mean of its divisors is an integer number (25107713621484).

Almost surely, 2^{100111010999999} is an apocalyptic number.

100111010999999 is a deficient number, since it is larger than the sum of its proper divisors (319843485937).

100111010999999 is an equidigital number, since it uses as much as digits as its factorization.

100111010999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319843485936.

The product of its (nonzero) digits is 531441, while the sum is 59.

The spelling of 100111010999999 in words is "one hundred trillion, one hundred eleven billion, ten million, nine hundred ninety-nine thousand, nine hundred ninety-nine".