110100001210221 has 16 divisors (see below), whose sum is σ = 160214813478720. Its totient is φ = 66698374638720.

The previous prime is 110100001210207. The next prime is 110100001210229. The reversal of 110100001210221 is 122012100001011.

It is a de Polignac number, because none of the positive numbers 2^k-110100001210221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110100001210197 and 110100001210206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110100001210229) 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, 722393200 + ... + 722545593.

It is an arithmetic number, because the mean of its divisors is an integer number (10013425842420).

Almost surely, 2^{110100001210221} is an apocalyptic number.

110100001210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110100001210221 is a deficient number, since it is larger than the sum of its proper divisors (50114812268499).

110100001210221 is a wasteful number, since it uses less digits than its factorization.

110100001210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444941116.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110100001210221 its reverse (122012100001011), we get a palindrome (232112101211232).

The spelling of 110100001210221 in words is "one hundred ten trillion, one hundred billion, one million, two hundred ten thousand, two hundred twenty-one".