110022112221 has 24 divisors (see below), whose sum is σ = 170752703904. Its totient is φ = 62830666080.

The previous prime is 110022112199. The next prime is 110022112223. The reversal of 110022112221 is 122211220011.

It is not a de Polignac number, because 110022112221 - 2¹⁷ = 110021981149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110022112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022112223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5106 + ... + 469116.

It is an arithmetic number, because the mean of its divisors is an integer number (7114695996).

Almost surely, 2^110022112221 is an apocalyptic number.

It is an amenable number.

110022112221 is a deficient number, since it is larger than the sum of its proper divisors (60730591683).

110022112221 is a wasteful number, since it uses less digits than its factorization.

110022112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465641 (or 465634 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110022112221 its reverse (122211220011), we get a palindrome (232233332232).

The spelling of 110022112221 in words is "one hundred ten billion, twenty-two million, one hundred twelve thousand, two hundred twenty-one".