1121110110 has 48 divisors (see below), whose sum is σ = 2916753840. Its totient is φ = 298771200.

The previous prime is 1121110103. The next prime is 1121110117. The reversal of 1121110110 is 110111211.

It is an interprime number because it is at equal distance from previous prime (1121110103) and next prime (1121110117).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121110092 and 1121110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121110117) 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, 188685 + ... + 194535.

It is an arithmetic number, because the mean of its divisors is an integer number (60765705).

Almost surely, 2^1121110110 is an apocalyptic number.

1121110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121110110 is an abundant number, since it is smaller than the sum of its proper divisors (1795643730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121110110 is a wasteful number, since it uses less digits than its factorization.

1121110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993 (or 7990 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1121110110 is about 33482.9823940461. The cubic root of 1121110110 is about 1038.8418165743.

Adding to 1121110110 its reverse (110111211), we get a palindrome (1231221321).

It can be divided in two parts, 11211 and 10110, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 1121110110 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, one hundred ten".