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2211112049 is a prime number
BaseRepresentation
bin1000001111001010…
…1110010001110001
312201002121010111212
42003302232101301
514012021041144
61003223445505
7105536066546
oct20362562161
95632533455
102211112049
11a3512a233
125185b6895
13293122433
1416d930bcd
15ce1b449e
hex83cae471

2211112049 has 2 divisors, whose sum is σ = 2211112050. Its totient is φ = 2211112048.

The previous prime is 2211112003. The next prime is 2211112051. The reversal of 2211112049 is 9402111122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1780840000 + 430272049 = 42200^2 + 20743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2211112049 is a prime.

Together with 2211112051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2211112069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105556024 + 1105556025.

It is an arithmetic number, because the mean of its divisors is an integer number (1105556025).

Almost surely, 22211112049 is an apocalyptic number.

It is an amenable number.

2211112049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211112049 is an equidigital number, since it uses as much as digits as its factorization.

2211112049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2211112049 is about 47022.4632383290. The cubic root of 2211112049 is about 1302.7775031421. Note that the first 3 decimals are identical.

The spelling of 2211112049 in words is "two billion, two hundred eleven million, one hundred twelve thousand, forty-nine".