1122111110 has 16 divisors (see below), whose sum is σ = 2042496000. Its totient is φ = 443800896.

The previous prime is 1122111079. The next prime is 1122111119. The reversal of 1122111110 is 111112211.

It is a junction number, because it is equal to n+sod(n) for n = 1122111091 and 1122111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122111119) 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, 629510 + ... + 631289.

It is an arithmetic number, because the mean of its divisors is an integer number (127656000).

Almost surely, 2^1122111110 is an apocalyptic number.

1122111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122111110 is a deficient number, since it is larger than the sum of its proper divisors (920384890).

1122111110 is a wasteful number, since it uses less digits than its factorization.

1122111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260895.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1122111110 is about 33497.9269507831. The cubic root of 1122111110 is about 1039.1509064403.

Adding to 1122111110 its reverse (111112211), we get a palindrome (1233223321).

The spelling of 1122111110 in words is "one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred ten".