101111099999999 has 4 divisors (see below), whose sum is σ = 101111368002720. Its totient is φ = 101110831997280.

The previous prime is 101111099999983. The next prime is 101111100000059. The reversal of 101111099999999 is 999999990111101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101111099999999 - 2⁴ = 101111099999983 is a prime.

It is a Duffinian number.

101111099999999 is a modest number, since divided by 99999999 gives 1011110 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111099995999) 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, 133434647 + ... + 134190264.

It is an arithmetic number, because the mean of its divisors is an integer number (25277842000680).

Almost surely, 2^{101111099999999} is an apocalyptic number.

101111099999999 is a deficient number, since it is larger than the sum of its proper divisors (268002721).

101111099999999 is an equidigital number, since it uses as much as digits as its factorization.

101111099999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268002720.

The product of its (nonzero) digits is 43046721, while the sum is 77.

The spelling of 101111099999999 in words is "one hundred one trillion, one hundred eleven billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".