110112101012221 has 32 divisors (see below), whose sum is σ = 137888154996480. Its totient is φ = 85423210329600.

The previous prime is 110112101012191. The next prime is 110112101012227. The reversal of 110112101012221 is 122210101211011.

It is not a de Polignac number, because 110112101012221 - 2⁵ = 110112101012189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110112101012195 and 110112101012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112101012227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442410991 + ... + 442659811.

It is an arithmetic number, because the mean of its divisors is an integer number (4309004843640).

Almost surely, 2^{110112101012221} is an apocalyptic number.

110112101012221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110112101012221 is a deficient number, since it is larger than the sum of its proper divisors (27776053984259).

110112101012221 is a wasteful number, since it uses less digits than its factorization.

110112101012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274165.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 110112101012221 its reverse (122210101211011), we get a palindrome (232322202223232).

The spelling of 110112101012221 in words is "one hundred ten trillion, one hundred twelve billion, one hundred one million, twelve thousand, two hundred twenty-one".