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22021213011331 = 791072512599039
BaseRepresentation
bin1010000000111001101101…
…00101000011110110000011
32212222012121012022222121011
411000130312211003312003
510341243421012330311
6114500223335341351
74431660121113022
oct500346645036603
985865535288534
1022021213011331
117020164720246
122577a37821857
13c3978c621601
14561b9214c8b9
15282c5033a321
hex140736943d83

22021213011331 has 8 divisors (see below), whose sum is σ = 22300179046400. Its totient is φ = 21742252389000.

The previous prime is 22021213011319. The next prime is 22021213011341. The reversal of 22021213011331 is 13311031212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021213011331 - 211 = 22021213009283 is a prime.

It is a super-3 number, since 3×220212130113313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021213011311) 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, 7173310 + ... + 9772348.

It is an arithmetic number, because the mean of its divisors is an integer number (2787522380800).

Almost surely, 222021213011331 is an apocalyptic number.

22021213011331 is a deficient number, since it is larger than the sum of its proper divisors (278966035069).

22021213011331 is a wasteful number, since it uses less digits than its factorization.

22021213011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706369.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22021213011331 its reverse (13311031212022), we get a palindrome (35332244223353).

The spelling of 22021213011331 in words is "twenty-two trillion, twenty-one billion, two hundred thirteen million, eleven thousand, three hundred thirty-one".

Divisors: 1 79 107251 2599039 8472829 205324081 278749531789 22021213011331