1121131223130 has 32 divisors (see below), whose sum is σ = 2724774624000. Its totient is φ = 295183916352.

The previous prime is 1121131223099. The next prime is 1121131223131. The reversal of 1121131223130 is 313221311211.

It is a junction number, because it is equal to n+sod(n) for n = 1121131223097 and 1121131223106.

It is not an unprimeable number, because it can be changed into a prime (1121131223131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236523205 + ... + 236527944.

It is an arithmetic number, because the mean of its divisors is an integer number (85149207000).

Almost surely, 2^{1121131223130} is an apocalyptic number.

1121131223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121131223130 is an abundant number, since it is smaller than the sum of its proper divisors (1603643400870).

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

1121131223130 is a wasteful number, since it uses less digits than its factorization.

1121131223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473051238.

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

Adding to 1121131223130 its reverse (313221311211), we get a palindrome (1434352534341).

The spelling of 1121131223130 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred thirty".