110221121121 has 8 divisors (see below), whose sum is σ = 147576397440. Its totient is φ = 73173296112.

The previous prime is 110221121117. The next prime is 110221121159. The reversal of 110221121121 is 121121122011.

It is a happy number.

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

It is not a de Polignac number, because 110221121121 - 2² = 110221121117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110221121121.

It is not an unprimeable number, because it can be changed into a prime (110221121821) 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, 76861990 + ... + 76863423.

It is an arithmetic number, because the mean of its divisors is an integer number (18447049680).

Almost surely, 2^110221121121 is an apocalyptic number.

It is an amenable number.

110221121121 is a deficient number, since it is larger than the sum of its proper divisors (37355276319).

110221121121 is a wasteful number, since it uses less digits than its factorization.

110221121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153725655.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110221121121 its reverse (121121122011), we get a palindrome (231342243132).

The spelling of 110221121121 in words is "one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".