1110121229 has 4 divisors (see below), whose sum is σ = 1268709984. Its totient is φ = 951532476.

The previous prime is 1110121163. The next prime is 1110121237. The reversal of 1110121229 is 9221210111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1110121229 - 2¹² = 1110117133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110121229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110121829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79294367 + ... + 79294380.

It is an arithmetic number, because the mean of its divisors is an integer number (317177496).

Almost surely, 2^1110121229 is an apocalyptic number.

It is an amenable number.

1110121229 is a deficient number, since it is larger than the sum of its proper divisors (158588755).

1110121229 is an equidigital number, since it uses as much as digits as its factorization.

1110121229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158588754.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1110121229 is about 33318.4817931430. The cubic root of 1110121229 is about 1035.4364978786.

The spelling of 1110121229 in words is "one billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-nine".