110201121221 has 8 divisors (see below), whose sum is σ = 110515098624. Its totient is φ = 109887281280.

The previous prime is 110201121203. The next prime is 110201121241. The reversal of 110201121221 is 122121102011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110201121221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201121196 and 110201121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201121241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694261 + ... + 1758101.

It is an arithmetic number, because the mean of its divisors is an integer number (13814387328).

Almost surely, 2^110201121221 is an apocalyptic number.

It is an amenable number.

110201121221 is a deficient number, since it is larger than the sum of its proper divisors (313977403).

110201121221 is an equidigital number, since it uses as much as digits as its factorization.

110201121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68731.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110201121221 its reverse (122121102011), we get a palindrome (232322223232).

The spelling of 110201121221 in words is "one hundred ten billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty-one".