11221312131120 has 160 divisors (see below), whose sum is σ = 42813621752832. Its totient is φ = 2367573543936.

The previous prime is 11221312131109. The next prime is 11221312131131. The reversal of 11221312131120 is 2113121312211.

It is an interprime number because it is at equal distance from previous prime (11221312131109) and next prime (11221312131131).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256876332 + ... + 256920011.

Almost surely, 2^{11221312131120} is an apocalyptic number.

11221312131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221312131120 is an abundant number, since it is smaller than the sum of its proper divisors (31592309621712).

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

11221312131120 is a wasteful number, since it uses less digits than its factorization.

11221312131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513796379 (or 513796373 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11221312131120 its reverse (2113121312211), we get a palindrome (13334433443331).

The spelling of 11221312131120 in words is "eleven trillion, two hundred twenty-one billion, three hundred twelve million, one hundred thirty-one thousand, one hundred twenty".