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1112210122091 is a prime number
BaseRepresentation
bin10000001011110100111…
…000111010010101101011
310221022210211120020101212
4100023310320322111223
5121210301242401331
62210535310503335
7143232414024065
oct20136470722553
93838724506355
101112210122091
1139975a689492
1215b678b04b4b
1380b5b62c3a3
143bb8cd80735
151dde78c9d2b
hex102f4e3a56b

1112210122091 has 2 divisors, whose sum is σ = 1112210122092. Its totient is φ = 1112210122090.

The previous prime is 1112210122069. The next prime is 1112210122123. The reversal of 1112210122091 is 1902210122111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112210122091 is a prime.

It is a super-2 number, since 2×11122101220912 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112210122391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556105061045 + 556105061046.

It is an arithmetic number, because the mean of its divisors is an integer number (556105061046).

Almost surely, 21112210122091 is an apocalyptic number.

1112210122091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112210122091 is an equidigital number, since it uses as much as digits as its factorization.

1112210122091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 1112210122091 in words is "one trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, ninety-one".