110002111121221 has 16 divisors (see below), whose sum is σ = 121272779476800. Its totient is φ = 98943755834880.

The previous prime is 110002111121159. The next prime is 110002111121237. The reversal of 110002111121221 is 122121111200011.

It is not a de Polignac number, because 110002111121221 - 2³³ = 109993521186629 is a prime.

It is a super-2 number, since 2×110002111121221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110002111121195 and 110002111121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002111121621) 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, 10292371 + ... + 18053728.

It is an arithmetic number, because the mean of its divisors is an integer number (7579548717300).

Almost surely, 2^{110002111121221} is an apocalyptic number.

110002111121221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110002111121221 is a deficient number, since it is larger than the sum of its proper divisors (11270668355579).

110002111121221 is a wasteful number, since it uses less digits than its factorization.

110002111121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28349844.

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

Adding to 110002111121221 its reverse (122121111200011), we get a palindrome (232123222321232).

The spelling of 110002111121221 in words is "one hundred ten trillion, two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-one".