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22221321012133 = 31716816806843
BaseRepresentation
bin1010000110101110011011…
…11100100000001110100101
32220200100010001211200100021
411003113031330200032211
510403033231134342013
6115132200044315141
74452303023054125
oct503271574401645
986610101750307
1022221321012133
117098011448001
1225aa783542ab1
13c52600125b89
1456b736704c85
15288062ee4a8d
hex1435cdf203a5

22221321012133 has 4 divisors (see below), whose sum is σ = 22938137819008. Its totient is φ = 21504504205260.

The previous prime is 22221321012131. The next prime is 22221321012263. The reversal of 22221321012133 is 33121012312222.

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 22221321012133 - 21 = 22221321012131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22221321012098 and 22221321012107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221321012131) 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, 358408403391 + ... + 358408403452.

It is an arithmetic number, because the mean of its divisors is an integer number (5734534454752).

Almost surely, 222221321012133 is an apocalyptic number.

It is an amenable number.

22221321012133 is a deficient number, since it is larger than the sum of its proper divisors (716816806875).

22221321012133 is an equidigital number, since it uses as much as digits as its factorization.

22221321012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716816806874.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22221321012133 its reverse (33121012312222), we get a palindrome (55342333324355).

The spelling of 22221321012133 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred twenty-one million, twelve thousand, one hundred thirty-three".

Divisors: 1 31 716816806843 22221321012133