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2011001120111 = 2756517295461
BaseRepresentation
bin11101010000111001000…
…000011110010101101111
321010020202010101122201002
4131100321000132111233
5230422012241320421
64135501405110515
7265201324324364
oct35207100362557
97106663348632
102011001120111
11705951784195
122858b425843b
131178377917b9
146d49397246b
153749dbddb0b
hex1d43901e56f

2011001120111 has 4 divisors (see below), whose sum is σ = 2011008691224. Its totient is φ = 2010993549000.

The previous prime is 2011001120059. The next prime is 2011001120113. The reversal of 2011001120111 is 1110211001102.

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 2011001120111 - 218 = 2011000857967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011001120092 and 2011001120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011001120113) 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, 3372080 + ... + 3923381.

It is an arithmetic number, because the mean of its divisors is an integer number (502752172806).

Almost surely, 22011001120111 is an apocalyptic number.

2011001120111 is a deficient number, since it is larger than the sum of its proper divisors (7571113).

2011001120111 is an equidigital number, since it uses as much as digits as its factorization.

2011001120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7571112.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2011001120111 its reverse (1110211001102), we get a palindrome (3121212121213).

The spelling of 2011001120111 in words is "two trillion, eleven billion, one million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 275651 7295461 2011001120111