1121320210 has 8 divisors (see below), whose sum is σ = 2018376396. Its totient is φ = 448528080.

The previous prime is 1121320199. The next prime is 1121320237. The reversal of 1121320210 is 120231211.

It can be written as a sum of positive squares in 2 ways, for example, as 1011049209 + 110271001 = 31797^2 + 10501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56066001 + ... + 56066020.

Almost surely, 2^1121320210 is an apocalyptic number.

1121320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121320210 is a deficient number, since it is larger than the sum of its proper divisors (897056186).

1121320210 is a wasteful number, since it uses less digits than its factorization.

1121320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112132028.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1121320210 is about 33486.1196617345. The cubic root of 1121320210 is about 1038.9067067312.

Adding to 1121320210 its reverse (120231211), we get a palindrome (1241551421).

The spelling of 1121320210 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, two hundred ten".