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2011222113109 = 11182838373919
BaseRepresentation
bin11101010001000110001…
…011011111101101010101
321010021022112020021002221
4131101012023133231111
5230422440330104414
64135535341502341
7265206646615006
oct35210613375525
97107275207087
102011222113109
11705a554a5530
122859562719b1
131178714b91a1
146d4b505b1ad
15374b32e3224
hex1d4462dfb55

2011222113109 has 4 divisors (see below), whose sum is σ = 2194060487040. Its totient is φ = 1828383739180.

The previous prime is 2011222113107. The next prime is 2011222113181. The reversal of 2011222113109 is 9013112221102.

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 2011222113109 - 21 = 2011222113107 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 (2011222113107) 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 3 ways as a sum of consecutive naturals, for example, 91419186949 + ... + 91419186970.

It is an arithmetic number, because the mean of its divisors is an integer number (548515121760).

Almost surely, 22011222113109 is an apocalyptic number.

It is an amenable number.

2011222113109 is a deficient number, since it is larger than the sum of its proper divisors (182838373931).

2011222113109 is a wasteful number, since it uses less digits than its factorization.

2011222113109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182838373930.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 2011222113109 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred nine".

Divisors: 1 11 182838373919 2011222113109