1130001223122 has 96 divisors (see below), whose sum is σ = 2620229517360. Its totient is φ = 351294720000.

The previous prime is 1130001223069. The next prime is 1130001223171. The reversal of 1130001223122 is 2213221000311.

It can be written as a sum of positive squares in 8 ways, for example, as 745785960921 + 384215262201 = 863589^2 + 619851^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1130001223095 and 1130001223104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1900222 + ... + 2422982.

Almost surely, 2^{1130001223122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130001223122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310114758680).

1130001223122 is an abundant number, since it is smaller than the sum of its proper divisors (1490228294238).

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

1130001223122 is a wasteful number, since it uses less digits than its factorization.

1130001223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522940 (or 522937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1130001223122 its reverse (2213221000311), we get a palindrome (3343222223433).

The spelling of 1130001223122 in words is "one trillion, one hundred thirty billion, one million, two hundred twenty-three thousand, one hundred twenty-two".