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2211122231330 = 25306577721229
BaseRepresentation
bin100000001011010001001…
…001111011100000100010
321211101021220120102120012
4200023101021323200202
5242211334242400310
64411435303044522
7315514445601335
oct40132111734042
97741256512505
102211122231330
11782805946001
122b8644440742
1313067ac065cc
1479039b7c61c
153c7b2ad7c05
hex202d127b822

2211122231330 has 16 divisors (see below), whose sum is σ = 3980038516920. Its totient is φ = 884444781312.

The previous prime is 2211122231303. The next prime is 2211122231333. The reversal of 2211122231330 is 331322211122.

It can be written as a sum of positive squares in 4 ways, for example, as 778081003921 + 1433041227409 = 882089^2 + 1197097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2211122231296 and 2211122231305.

It is not an unprimeable number, because it can be changed into a prime (2211122231333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705156 + ... + 3426384.

Almost surely, 22211122231330 is an apocalyptic number.

2211122231330 is a deficient number, since it is larger than the sum of its proper divisors (1768916285590).

2211122231330 is a wasteful number, since it uses less digits than its factorization.

2211122231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027813.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2211122231330 its reverse (331322211122), we get a palindrome (2542444442452).

The spelling of 2211122231330 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 306577 613154 721229 1442458 1532885 3065770 3606145 7212290 221112223133 442224446266 1105561115665 2211122231330