110110321321221 has 32 divisors (see below), whose sum is σ = 158155379200000. Its totient is φ = 67739521606848.

The previous prime is 110110321321171. The next prime is 110110321321283. The reversal of 110110321321221 is 122123123011011.

It is not a de Polignac number, because 110110321321221 - 2²² = 110110317126917 is a prime.

It is a super-2 number, since 2×110110321321221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110110321321291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2598207210 + ... + 2598249588.

It is an arithmetic number, because the mean of its divisors is an integer number (4942355600000).

Almost surely, 2^{110110321321221} is an apocalyptic number.

It is an amenable number.

110110321321221 is a deficient number, since it is larger than the sum of its proper divisors (48045057878779).

110110321321221 is a wasteful number, since it uses less digits than its factorization.

110110321321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61153.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 110110321321221 its reverse (122123123011011), we get a palindrome (232233444332232).

The spelling of 110110321321221 in words is "one hundred ten trillion, one hundred ten billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-one".