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222110210012101 = 1866491189988749
BaseRepresentation
bin110010100000001000010000…
…001010110011001111000101
31002010102112021102112010000021
4302200020100022303033011
5213103023202230341401
62104220004415415141
764532635026442225
oct6240102012631705
91063375242463007
10222110210012101
11648534581724a4
1220ab2543b244b1
1396c1b97985398
143cbc297782085
151aa28e26812a1
hexca02102b33c5

222110210012101 has 4 divisors (see below), whose sum is σ = 222111400187500. Its totient is φ = 222109019836704.

The previous prime is 222110210012087. The next prime is 222110210012143. The reversal of 222110210012101 is 101210012011222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125157337015876 + 96952872996225 = 11187374^2 + 9846465^2 .

It is a cyclic number.

It is not a de Polignac number, because 222110210012101 - 213 = 222110210003909 is a prime.

It is a super-2 number, since 2×2221102100121012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110210312101) 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, 594807726 + ... + 595181023.

It is an arithmetic number, because the mean of its divisors is an integer number (55527850046875).

Almost surely, 2222110210012101 is an apocalyptic number.

It is an amenable number.

222110210012101 is a deficient number, since it is larger than the sum of its proper divisors (1190175399).

222110210012101 is a wasteful number, since it uses less digits than its factorization.

222110210012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190175398.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222110210012101 its reverse (101210012011222), we get a palindrome (323320222023323).

The spelling of 222110210012101 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred ten million, twelve thousand, one hundred one".

Divisors: 1 186649 1189988749 222110210012101