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222120121021223 = 3150231426471271
BaseRepresentation
bin110010100000010001011110…
…111010010011001100100111
31002010110110212010211112121012
4302200101132322103030213
5213103204001440134343
62104224324103012435
764533435443563445
oct6240213672231447
91063413763745535
10222120121021223
1164857683725327
1220ab444b13a11b
1396c2ab70b5019
143cbc957b7bb95
151aa2cc2811718
hexca045ee93327

222120121021223 has 8 divisors (see below), whose sum is σ = 229330933456896. Its totient is φ = 214912161538200.

The previous prime is 222120121021193. The next prime is 222120121021313. The reversal of 222120121021223 is 322120121021222.

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

It is not a de Polignac number, because 222120121021223 - 222 = 222120116826919 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 (222120121021823) 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 7 ways as a sum of consecutive naturals, for example, 713079923 + ... + 713391348.

It is an arithmetic number, because the mean of its divisors is an integer number (28666366682112).

Almost surely, 2222120121021223 is an apocalyptic number.

222120121021223 is a deficient number, since it is larger than the sum of its proper divisors (7210812435673).

222120121021223 is a wasteful number, since it uses less digits than its factorization.

222120121021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426476325.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222120121021223 its reverse (322120121021222), we get a palindrome (544240242042445).

Subtracting 222120121021223 from its reverse (322120121021222), we obtain a palindrome (99999999999999).

The spelling of 222120121021223 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-three".

Divisors: 1 31 5023 155713 1426471271 44220609401 7165165194233 222120121021223