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1222102011323 = 2693453806911
BaseRepresentation
bin10001110010001010111…
…101001100110110111011
311022211110101112121200102
4101302022331030312323
5130010331103330243
62333231555230015
7154202553461564
oct21621275146673
94284411477612
101222102011323
114313217a8356
12178a275a830b
138b322605b0b
1443215a6116b
1521bca2699b8
hex11c8af4cdbb

1222102011323 has 4 divisors (see below), whose sum is σ = 1222555820928. Its totient is φ = 1221648201720.

The previous prime is 1222102011271. The next prime is 1222102011331. The reversal of 1222102011323 is 3231102012221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222102011323 - 230 = 1221028269499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222102011295 and 1222102011304.

It is not an unprimeable number, because it can be changed into a prime (1222102011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226900763 + ... + 226906148.

It is an arithmetic number, because the mean of its divisors is an integer number (305638955232).

Almost surely, 21222102011323 is an apocalyptic number.

1222102011323 is a deficient number, since it is larger than the sum of its proper divisors (453809605).

1222102011323 is an equidigital number, since it uses as much as digits as its factorization.

1222102011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453809604.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1222102011323 its reverse (3231102012221), we get a palindrome (4453204023544).

The spelling of 1222102011323 in words is "one trillion, two hundred twenty-two billion, one hundred two million, eleven thousand, three hundred twenty-three".

Divisors: 1 2693 453806911 1222102011323