1121321033310 has 128 divisors (see below), whose sum is σ = 2856462174720. Its totient is φ = 280924402176.

The previous prime is 1121321033303. The next prime is 1121321033317. The reversal of 1121321033310 is 133301231211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121321033303) and next prime (1121321033317).

It is a super-2 number, since 2×1121321033310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121321033317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39133849 + ... + 39162491.

It is an arithmetic number, because the mean of its divisors is an integer number (22316110740).

Almost surely, 2^{1121321033310} is an apocalyptic number.

1121321033310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121321033310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428231087360).

1121321033310 is an abundant number, since it is smaller than the sum of its proper divisors (1735141141410).

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

1121321033310 is a wasteful number, since it uses less digits than its factorization.

1121321033310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29242.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1121321033310 its reverse (133301231211), we get a palindrome (1254622264521).

The spelling of 1121321033310 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, thirty-three thousand, three hundred ten".