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2112231021301 = 2682178752881
BaseRepresentation
bin11110101111001010110…
…001111001101011110101
321110221001000022110012201
4132233022301321223311
5234101322120140201
64254202345144501
7305414024305552
oct36571261715365
97427030273181
102112231021301
11744879389255
122a1445a8b131
1312424b03470b
14743380a7a29
1539e25dbd801
hex1ebcac79af5

2112231021301 has 4 divisors (see below), whose sum is σ = 2112309801004. Its totient is φ = 2112152241600.

The previous prime is 2112231021293. The next prime is 2112231021347. The reversal of 2112231021301 is 1031201322112.

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 1473189062500 + 639041958801 = 1213750^2 + 799401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112231021301 - 23 = 2112231021293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112231025301) 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, 39349620 + ... + 39403261.

It is an arithmetic number, because the mean of its divisors is an integer number (528077450251).

Almost surely, 22112231021301 is an apocalyptic number.

It is an amenable number.

2112231021301 is a deficient number, since it is larger than the sum of its proper divisors (78779703).

2112231021301 is an equidigital number, since it uses as much as digits as its factorization.

2112231021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78779702.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2112231021301 its reverse (1031201322112), we get a palindrome (3143432343413).

The spelling of 2112231021301 in words is "two trillion, one hundred twelve billion, two hundred thirty-one million, twenty-one thousand, three hundred one".

Divisors: 1 26821 78752881 2112231021301