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112302122021 = 181162011111
BaseRepresentation
bin110100010010110111…
…0100110010000100101
3101201212112020220002122
41220211232212100211
53314443320401041
6123331344115325
711053644200315
oct1504556462045
9351775226078
10112302122021
11436996904a1
1219921905b45
13a789435b9b
145614c45445
152dc4287c4b
hex1a25ba6425

112302122021 has 4 divisors (see below), whose sum is σ = 112364134944. Its totient is φ = 112240109100.

The previous prime is 112302122003. The next prime is 112302122029. The reversal of 112302122021 is 120221203211.

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: 120221203211 = 177071835483.

It is a cyclic number.

It is not a de Polignac number, because 112302122021 - 214 = 112302105637 is a prime.

It is a super-2 number, since 2×1123021220212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112302122029) 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, 31003745 + ... + 31007366.

It is an arithmetic number, because the mean of its divisors is an integer number (28091033736).

Almost surely, 2112302122021 is an apocalyptic number.

It is an amenable number.

112302122021 is a deficient number, since it is larger than the sum of its proper divisors (62012923).

112302122021 is an equidigital number, since it uses as much as digits as its factorization.

112302122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62012922.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112302122021 its reverse (120221203211), we get a palindrome (232523325232).

The spelling of 112302122021 in words is "one hundred twelve billion, three hundred two million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 1811 62011111 112302122021