111323021002130 has 64 divisors (see below), whose sum is σ = 229812109148160. Its totient is φ = 38033831289024.

The previous prime is 111323021002129. The next prime is 111323021002139. The reversal of 111323021002130 is 31200120323111.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111323021002139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83558399 + ... + 84880221.

It is an arithmetic number, because the mean of its divisors is an integer number (3590814205440).

Almost surely, 2^{111323021002130} is an apocalyptic number.

111323021002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111323021002130 is an abundant number, since it is smaller than the sum of its proper divisors (118489088146030).

111323021002130 is a wasteful number, since it uses less digits than its factorization.

111323021002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326063.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111323021002130 its reverse (31200120323111), we get a palindrome (142523141325241).

The spelling of 111323021002130 in words is "one hundred eleven trillion, three hundred twenty-three billion, twenty-one million, two thousand, one hundred thirty".