111133130220312 has 128 divisors (see below), whose sum is σ = 297494208000000. Its totient is φ = 34472052781056.

The previous prime is 111133130220209. The next prime is 111133130220313. The reversal of 111133130220312 is 213022031331111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111133130220313) 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, 1074747189 + ... + 1074850587.

It is an arithmetic number, because the mean of its divisors is an integer number (2324173500000).

Almost surely, 2^{111133130220312} is an apocalyptic number.

111133130220312 is a gapful number since it is divisible by the number (12) 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 111133130220312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148747104000000).

111133130220312 is an abundant number, since it is smaller than the sum of its proper divisors (186361077779688).

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

111133130220312 is a wasteful number, since it uses less digits than its factorization.

111133130220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133113 (or 133109 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 111133130220312 its reverse (213022031331111), we get a palindrome (324155161551423).

The spelling of 111133130220312 in words is "one hundred eleven trillion, one hundred thirty-three billion, one hundred thirty million, two hundred twenty thousand, three hundred twelve".