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12011100122011 = 31213848478091
BaseRepresentation
bin1010111011001000110101…
…0110110010101110011011
31120112020202012220201121111
42232302031112302232123
53033242213112401021
641313453452121151
72346526154336164
oct256621526625633
946466665821544
1012011100122011
113910973987861
12141b9b91661b7
136918462a1413
142d74a9cb276b
1515c68268a8e1
hexaec8d5b2b9b

12011100122011 has 4 divisors (see below), whose sum is σ = 12014948603224. Its totient is φ = 12007251640800.

The previous prime is 12011100122003. The next prime is 12011100122041. The reversal of 12011100122011 is 11022100111021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12011100122011 - 23 = 12011100122003 is a prime.

It is a super-2 number, since 2×120111001220112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011100121982 and 12011100122000.

It is not an unprimeable number, because it can be changed into a prime (12011100122041) 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, 1924235925 + ... + 1924242166.

It is an arithmetic number, because the mean of its divisors is an integer number (3003737150806).

Almost surely, 212011100122011 is an apocalyptic number.

12011100122011 is a deficient number, since it is larger than the sum of its proper divisors (3848481213).

12011100122011 is an equidigital number, since it uses as much as digits as its factorization.

12011100122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848481212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011100122011 its reverse (11022100111021), we get a palindrome (23033200233032).

The spelling of 12011100122011 in words is "twelve trillion, eleven billion, one hundred million, one hundred twenty-two thousand, eleven".

Divisors: 1 3121 3848478091 12011100122011