110112101010021 has 16 divisors (see below), whose sum is σ = 161237975860800. Its totient is φ = 66286723403520.

The previous prime is 110112101010019. The next prime is 110112101010047. The reversal of 110112101010021 is 120010101211011.

It is not a de Polignac number, because 110112101010021 - 2¹ = 110112101010019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110112101009979 and 110112101010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112106010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11197076740 + ... + 11197086573.

It is an arithmetic number, because the mean of its divisors is an integer number (10077373491300).

Almost surely, 2^{110112101010021} is an apocalyptic number.

110112101010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110112101010021 is a deficient number, since it is larger than the sum of its proper divisors (51125874850779).

110112101010021 is a wasteful number, since it uses less digits than its factorization.

110112101010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22394163476.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 110112101010021 its reverse (120010101211011), we get a palindrome (230122202221032).

The spelling of 110112101010021 in words is "one hundred ten trillion, one hundred twelve billion, one hundred one million, ten thousand, twenty-one".