1121311223130 has 32 divisors (see below), whose sum is σ = 3075596498304. Its totient is φ = 256299708096.

The previous prime is 1121311223099. The next prime is 1121311223167. The reversal of 1121311223130 is 313221131211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1121311223097 and 1121311223106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669788417 + ... + 2669788836.

It is an arithmetic number, because the mean of its divisors is an integer number (96112390572).

Almost surely, 2^{1121311223130} is an apocalyptic number.

1121311223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121311223130 is an abundant number, since it is smaller than the sum of its proper divisors (1954285275174).

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

1121311223130 is a wasteful number, since it uses less digits than its factorization.

1121311223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339577270.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121311223130 its reverse (313221131211), we get a palindrome (1434532354341).

The spelling of 1121311223130 in words is "one trillion, one hundred twenty-one billion, three hundred eleven million, two hundred twenty-three thousand, one hundred thirty".