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2111032111 is a prime number
BaseRepresentation
bin111110111010011…
…1100101100101111
312110010021112122111
41331310330230233
513310411011421
6545250424451
7103212322366
oct17564745457
95403245574
102111032111
11993693741
124aab92127
13278481436
1416051c7dd
15c54e5ee1
hex7dd3cb2f

2111032111 has 2 divisors, whose sum is σ = 2111032112. Its totient is φ = 2111032110.

The previous prime is 2111032093. The next prime is 2111032139. The reversal of 2111032111 is 1112301112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111032111 - 27 = 2111031983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111032091 and 2111032100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111032711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055516055 + 1055516056.

It is an arithmetic number, because the mean of its divisors is an integer number (1055516056).

Almost surely, 22111032111 is an apocalyptic number.

2111032111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111032111 is an equidigital number, since it uses as much as digits as its factorization.

2111032111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2111032111 is about 45945.9694750258. The cubic root of 2111032111 is about 1282.8177085409.

Adding to 2111032111 its reverse (1112301112), we get a palindrome (3223333223).

The spelling of 2111032111 in words is "two billion, one hundred eleven million, thirty-two thousand, one hundred eleven".