110011120100021 has 8 divisors (see below), whose sum is σ = 125730977514240. Its totient is φ = 94292258464368.

The previous prime is 110011120100017. The next prime is 110011120100033. The reversal of 110011120100021 is 120001021110011.

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

It is a cyclic number.

It is not a de Polignac number, because 110011120100021 - 2² = 110011120100017 is a prime.

It is a super-2 number, since 2×110011120100021² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110011120099975 and 110011120100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011120100041) 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, 248707886 + ... + 249149823.

It is an arithmetic number, because the mean of its divisors is an integer number (15716372189280).

Almost surely, 2^{110011120100021} is an apocalyptic number.

It is an amenable number.

110011120100021 is a deficient number, since it is larger than the sum of its proper divisors (15719857414219).

110011120100021 is an equidigital number, since it uses as much as digits as its factorization.

110011120100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497889283.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110011120100021 its reverse (120001021110011), we get a palindrome (230012141210032).

The spelling of 110011120100021 in words is "one hundred ten trillion, eleven billion, one hundred twenty million, one hundred thousand, twenty-one".