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1322210102221 = 1328879949883
BaseRepresentation
bin10011001111011001110…
…111010000101111001101
311200101212002120112202201
4103033121313100233031
5133130341241232341
62451225343121501
7164345412301111
oct23173167205715
94611762515681
101322210102221
1146a823150778
121943055a3291
13978b762c968
1447dd11bb741
15245d8c06331
hex133d9dd0bcd

1322210102221 has 4 divisors (see below), whose sum is σ = 1322220184992. Its totient is φ = 1322200019452.

The previous prime is 1322210102219. The next prime is 1322210102293. The reversal of 1322210102221 is 1222010122231.

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 1322210102221 - 21 = 1322210102219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322210102921) 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, 4842055 + ... + 5107828.

It is an arithmetic number, because the mean of its divisors is an integer number (330555046248).

Almost surely, 21322210102221 is an apocalyptic number.

It is an amenable number.

1322210102221 is a deficient number, since it is larger than the sum of its proper divisors (10082771).

1322210102221 is an equidigital number, since it uses as much as digits as its factorization.

1322210102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082770.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1322210102221 its reverse (1222010122231), we get a palindrome (2544220224452).

The spelling of 1322210102221 in words is "one trillion, three hundred twenty-two billion, two hundred ten million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 132887 9949883 1322210102221