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11212332091 is a prime number
BaseRepresentation
bin10100111000100111…
…01001110000111011
31001221101222111002221
422130103221300323
5140430324111331
65052331104511
7544565151562
oct123423516073
931841874087
1011212332091
114834084064
12220aba2137
131098c0bb3c
14785182bd9
15459532711
hex29c4e9c3b

11212332091 has 2 divisors, whose sum is σ = 11212332092. Its totient is φ = 11212332090.

The previous prime is 11212332073. The next prime is 11212332107. The reversal of 11212332091 is 19023321211.

It is a strong prime.

It is an emirp because it is prime and its reverse (19023321211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11212332091 - 25 = 11212332059 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212332191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606166045 + 5606166046.

It is an arithmetic number, because the mean of its divisors is an integer number (5606166046).

Almost surely, 211212332091 is an apocalyptic number.

11212332091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212332091 is an equidigital number, since it uses as much as digits as its factorization.

11212332091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 11212332091 in words is "eleven billion, two hundred twelve million, three hundred thirty-two thousand, ninety-one".