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112122102012101 = 180162255470301
BaseRepresentation
bin11001011111100101110110…
…000011111101100011000101
3112200222202202001212112002122
4121133211312003331203011
5104144002031103341401
61034244103234415325
732421361132144316
oct3137456603754305
9480882661775078
10112122102012101
11327a8797628985
12106aa021131545
134a740b836381c
141d98a4ad8860d
15ce6846ea921b
hex65f9760fd8c5

112122102012101 has 4 divisors (see below), whose sum is σ = 112184357484204. Its totient is φ = 112059846540000.

The previous prime is 112122102012071. The next prime is 112122102012113. The reversal of 112122102012101 is 101210201221211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46376113620001 + 65745988392100 = 6810001^2 + 8108390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112122102012101 is a prime.

It is a super-2 number, since 2×1121221020121012 (a number of 29 digits) contains 22 as substring.

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 112122102012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122102012901) 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, 31127733350 + ... + 31127736951.

It is an arithmetic number, because the mean of its divisors is an integer number (28046089371051).

Almost surely, 2112122102012101 is an apocalyptic number.

It is an amenable number.

112122102012101 is a deficient number, since it is larger than the sum of its proper divisors (62255472103).

112122102012101 is an equidigital number, since it uses as much as digits as its factorization.

112122102012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62255472102.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112122102012101 its reverse (101210201221211), we get a palindrome (213332303233312).

The spelling of 112122102012101 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred two million, twelve thousand, one hundred one".

Divisors: 1 1801 62255470301 112122102012101