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11221122041 = 18223615767
BaseRepresentation
bin10100111001101010…
…01011101111111001
31001222000112001122122
422130311023233321
5140440101401131
65053243331025
7545032651343
oct123465135771
931860461578
1011221122041
114839038088
122211b20a75
13109a9989ac
147863d0293
1545a1bbd7b
hex29cd4bbf9

11221122041 has 4 divisors (see below), whose sum is σ = 11221756032. Its totient is φ = 11220488052.

The previous prime is 11221122013. The next prime is 11221122067. The reversal of 11221122041 is 14022112211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11221122041 - 222 = 11216927737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221122071) 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, 289661 + ... + 326106.

It is an arithmetic number, because the mean of its divisors is an integer number (2805439008).

Almost surely, 211221122041 is an apocalyptic number.

It is an amenable number.

11221122041 is a deficient number, since it is larger than the sum of its proper divisors (633991).

11221122041 is an equidigital number, since it uses as much as digits as its factorization.

11221122041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633990.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221122041 its reverse (14022112211), we get a palindrome (25243234252).

The spelling of 11221122041 in words is "eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, forty-one".

Divisors: 1 18223 615767 11221122041