1110111321 has 16 divisors (see below), whose sum is σ = 1615656960. Its totient is φ = 672399120.

The previous prime is 1110111319. The next prime is 1110111323. The reversal of 1110111321 is 1231110111.

It is an interprime number because it is at equal distance from previous prime (1110111319) and next prime (1110111323).

It is not a de Polignac number, because 1110111321 - 2¹ = 1110111319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110111297 and 1110111306.

It is not an unprimeable number, because it can be changed into a prime (1110111323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53056 + ... + 70958.

It is an arithmetic number, because the mean of its divisors is an integer number (100978560).

Almost surely, 2^1110111321 is an apocalyptic number.

1110111321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110111321 is a deficient number, since it is larger than the sum of its proper divisors (505545639).

1110111321 is a wasteful number, since it uses less digits than its factorization.

1110111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19796.

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 1110111321 is about 33318.3331065646. Note that the first 3 decimals coincide. The cubic root of 1110111321 is about 1035.4334173936.

Adding to 1110111321 its reverse (1231110111), we get a palindrome (2341221432).

It can be divided in two parts, 11101 and 11321, that added together give a palindrome (22422).

The spelling of 1110111321 in words is "one billion, one hundred ten million, one hundred eleven thousand, three hundred twenty-one".