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2011122102012 = 223358974668733
BaseRepresentation
bin11101010001000000001…
…101111110111011111100
321010021001120001011200020
4131101000031332323330
5230422234224231022
64135521410132140
7265204323545322
oct35210015767374
97107046034606
102011122102012
11705a03aa6731
12285928881050
1311785687061a
146d4a5a65d12
15374a963a35c
hex1d44037eefc

2011122102012 has 24 divisors (see below), whose sum is σ = 4692749967696. Its totient is φ = 670355215488.

The previous prime is 2011122101953. The next prime is 2011122102019. The reversal of 2011122102012 is 2102012211102.

It is a super-2 number, since 2×20111221020122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011122101982 and 2011122102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011122102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903603 + ... + 2765130.

It is an arithmetic number, because the mean of its divisors is an integer number (195531248654).

Almost surely, 22011122102012 is an apocalyptic number.

It is an amenable number.

2011122102012 is an abundant number, since it is smaller than the sum of its proper divisors (2681627865684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011122102012 is a wasteful number, since it uses less digits than its factorization.

2011122102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704637 (or 4704635 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011122102012 its reverse (2102012211102), we get a palindrome (4113134313114).

The spelling of 2011122102012 in words is "two trillion, eleven billion, one hundred twenty-two million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 35897 71794 107691 143588 215382 430764 4668733 9337466 14006199 18674932 28012398 56024796 167593508501 335187017002 502780525503 670374034004 1005561051006 2011122102012