112001011220 has 48 divisors (see below), whose sum is σ = 269511795840. Its totient is φ = 38299008384.

The previous prime is 112001011219. The next prime is 112001011229. The reversal of 112001011220 is 22110100211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001011229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002359 + ... + 1108478.

It is an arithmetic number, because the mean of its divisors is an integer number (5614829080).

Almost surely, 2^112001011220 is an apocalyptic number.

112001011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001011220 is an abundant number, since it is smaller than the sum of its proper divisors (157510784620).

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

112001011220 is a wasteful number, since it uses less digits than its factorization.

112001011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111232 (or 2111230 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112001011220 its reverse (22110100211), we get a palindrome (134111111431).

The spelling of 112001011220 in words is "one hundred twelve billion, one million, eleven thousand, two hundred twenty".