111321101310000 has 200 divisors, whose sum is σ = 359380702162944. Its totient is φ = 29683863840000.

The previous prime is 111321101309993. The next prime is 111321101310019. The reversal of 111321101310000 is 13101123111.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×111321101310000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 550908985 + ... + 551111015.

Almost surely, 2^{111321101310000} is an apocalyptic number.

111321101310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111321101310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179690351081472).

111321101310000 is an abundant number, since it is smaller than the sum of its proper divisors (248059600852944).

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

111321101310000 is a wasteful number, since it uses less digits than its factorization.

111321101310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220429 (or 220408 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111321101310000 its reverse (13101123111), we get a palindrome (111334202433111).

The spelling of 111321101310000 in words is "one hundred eleven trillion, three hundred twenty-one billion, one hundred one million, three hundred ten thousand".