1110122221 has 8 divisors (see below), whose sum is σ = 1195929504. Its totient is φ = 1024374000.

The previous prime is 1110122213. The next prime is 1110122231. The reversal of 1110122221 is 1222210111.

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

It is not a de Polignac number, because 1110122221 - 2³ = 1110122213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110122201) 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, 29130 + ... + 55396.

It is an arithmetic number, because the mean of its divisors is an integer number (149491188).

Almost surely, 2^1110122221 is an apocalyptic number.

It is an amenable number.

1110122221 is a deficient number, since it is larger than the sum of its proper divisors (85807283).

1110122221 is a wasteful number, since it uses less digits than its factorization.

1110122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29531.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1110122221 is about 33318.4966797723. The cubic root of 1110122221 is about 1035.4368062992.

Adding to 1110122221 its reverse (1222210111), we get a palindrome (2332332332).

The spelling of 1110122221 in words is "one billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-one".