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112122122002021 = 311360521292611
BaseRepresentation
bin11001011111100101110111…
…010000001101111001100101
3112200222202210110111010010001
4121133211313100031321211
5104144002101213031041
61034244105231101301
732421361464102055
oct3137456720157145
9480882713433101
10112122122002021
11327a87a794167a
12106aa027971831
134a740bc542491
141d98a4d8ad565
15ce6848b07131
hex65f97740de65

112122122002021 has 4 divisors (see below), whose sum is σ = 112482643294944. Its totient is φ = 111761600709100.

The previous prime is 112122122001997. The next prime is 112122122002039. The reversal of 112122122002021 is 120200221221211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112122122002021 - 27 = 112122122001893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112122122002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122122902021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180260645995 + ... + 180260646616.

It is an arithmetic number, because the mean of its divisors is an integer number (28120660823736).

Almost surely, 2112122122002021 is an apocalyptic number.

It is an amenable number.

112122122002021 is a deficient number, since it is larger than the sum of its proper divisors (360521292923).

112122122002021 is an equidigital number, since it uses as much as digits as its factorization.

112122122002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360521292922.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112122122002021 its reverse (120200221221211), we get a palindrome (232322343223232).

The spelling of 112122122002021 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, two thousand, twenty-one".

Divisors: 1 311 360521292611 112122122002021