101100110000021 has 8 divisors (see below), whose sum is σ = 110907180093600. Its totient is φ = 91395731740240.

The previous prime is 101100109999961. The next prime is 101100110000089. The reversal of 101100110000021 is 120000011001101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101100110000021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101100109999963 and 101100110000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100110000921) 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, 25672956386 + ... + 25672960323.

It is an arithmetic number, because the mean of its divisors is an integer number (13863397511700).

Almost surely, 2^{101100110000021} is an apocalyptic number.

101100110000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101100110000021 is a deficient number, since it is larger than the sum of its proper divisors (9807070093579).

101100110000021 is a wasteful number, since it uses less digits than its factorization.

101100110000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51345916899.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101100110000021 its reverse (120000011001101), we get a palindrome (221100121001122).

The spelling of 101100110000021 in words is "one hundred one trillion, one hundred billion, one hundred ten million, twenty-one", and thus it is an aban number.