112120221001000 has 32 divisors (see below), whose sum is σ = 262361317144680. Its totient is φ = 44848088400000.

The previous prime is 112120221000943. The next prime is 112120221001001. The reversal of 112120221001000 is 100122021211.

It can be written as a sum of positive squares in 4 ways, for example, as 13851184871524 + 98269036129476 = 3721718^2 + 9913074^2 .

It is not an unprimeable number, because it can be changed into a prime (112120221001001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56060109501 + ... + 56060111500.

Almost surely, 2^{112120221001000} is an apocalyptic number.

112120221001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120221001000 is an abundant number, since it is smaller than the sum of its proper divisors (150241096143680).

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

112120221001000 is a wasteful number, since it uses less digits than its factorization.

112120221001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112120221022 (or 112120221008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112120221001000 its reverse (100122021211), we get a palindrome (112220343022211).

The spelling of 112120221001000 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-one million, one thousand".