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112200022021 = 234878261827
BaseRepresentation
bin110100001111110100…
…1000111100000000101
3101201121102010200020011
41220133221013200011
53314241201201041
6123313255510221
711051264310553
oct1503751074005
9351542120204
10112200022021
1143646a9522a
12198b3688371
13a771238599
145605468bd3
152dba31ae81
hex1a1fa47805

112200022021 has 4 divisors (see below), whose sum is σ = 117078283872. Its totient is φ = 107321760172.

The previous prime is 112200022009. The next prime is 112200022027. The reversal of 112200022021 is 120220002211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120220002211 = 600892000699.

It is a cyclic number.

It is not a de Polignac number, because 112200022021 - 27 = 112200021893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200021992 and 112200022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439130891 + ... + 2439130936.

It is an arithmetic number, because the mean of its divisors is an integer number (29269570968).

Almost surely, 2112200022021 is an apocalyptic number.

It is an amenable number.

112200022021 is a deficient number, since it is larger than the sum of its proper divisors (4878261851).

112200022021 is an equidigital number, since it uses as much as digits as its factorization.

112200022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878261850.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112200022021 its reverse (120220002211), we get a palindrome (232420024232).

The spelling of 112200022021 in words is "one hundred twelve billion, two hundred million, twenty-two thousand, twenty-one".

Divisors: 1 23 4878261827 112200022021