11312121343330 has 64 divisors (see below), whose sum is σ = 21470098515840. Its totient is φ = 4285140862464.

The previous prime is 11312121343321. The next prime is 11312121343343. The reversal of 11312121343330 is 3334312121311.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3277837 + ... + 5776543.

It is an arithmetic number, because the mean of its divisors is an integer number (335470289310).

Almost surely, 2^{11312121343330} is an apocalyptic number.

11312121343330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312121343330 is a deficient number, since it is larger than the sum of its proper divisors (10157977172510).

11312121343330 is a wasteful number, since it uses less digits than its factorization.

11312121343330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499043.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 11312121343330 its reverse (3334312121311), we get a palindrome (14646433464641).

The spelling of 11312121343330 in words is "eleven trillion, three hundred twelve billion, one hundred twenty-one million, three hundred forty-three thousand, three hundred thirty".