1121311110 has 16 divisors (see below), whose sum is σ = 2691146736. Its totient is φ = 299016288.

The previous prime is 1121311097. The next prime is 1121311133. The reversal of 1121311110 is 111131211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18688489 + ... + 18688548.

It is an arithmetic number, because the mean of its divisors is an integer number (168196671).

Almost surely, 2^1121311110 is an apocalyptic number.

1121311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121311110 is an abundant number, since it is smaller than the sum of its proper divisors (1569835626).

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

1121311110 is a wasteful number, since it uses less digits than its factorization.

1121311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37377047.

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

The square root of 1121311110 is about 33485.9837842641. The cubic root of 1121311110 is about 1038.9038963307.

Adding to 1121311110 its reverse (111131211), we get a palindrome (1232442321).

The spelling of 1121311110 in words is "one billion, one hundred twenty-one million, three hundred eleven thousand, one hundred ten".