111110000120021 has 8 divisors (see below), whose sum is σ = 133666165558080. Its totient is φ = 90224661751488.

The previous prime is 111110000119903. The next prime is 111110000120071. The reversal of 111110000120021 is 120021000011111.

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 111110000120021 - 2²² = 111109995925717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110000119984 and 111110000120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110000120071) 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, 417706767236 + ... + 417706767501.

It is an arithmetic number, because the mean of its divisors is an integer number (16708270694760).

Almost surely, 2^{111110000120021} is an apocalyptic number.

It is an amenable number.

111110000120021 is a deficient number, since it is larger than the sum of its proper divisors (22556165438059).

111110000120021 is an equidigital number, since it uses as much as digits as its factorization.

111110000120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835413534763.

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

Adding to 111110000120021 its reverse (120021000011111), we get a palindrome (231131000131132).

The spelling of 111110000120021 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty thousand, twenty-one".