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22102111210 = 252210211121
BaseRepresentation
bin10100100101011000…
…110111001111101010
32010001100000120201111
4110211120313033222
5330231120024320
614053100540534
71411465563004
oct244530671752
963040016644
1022102111210
11941207a313
124349b5174a
13211305471a
1410d9561374
1589559da5a
hex5256373ea

22102111210 has 8 divisors (see below), whose sum is σ = 39783800196. Its totient is φ = 8840844480.

The previous prime is 22102111201. The next prime is 22102111253. The reversal of 22102111210 is 1211120122.

It can be written as a sum of positive squares in 2 ways, for example, as 18824663209 + 3277448001 = 137203^2 + 57249^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105105551 + ... + 1105105570.

Almost surely, 222102111210 is an apocalyptic number.

22102111210 is a deficient number, since it is larger than the sum of its proper divisors (17681688986).

22102111210 is a wasteful number, since it uses less digits than its factorization.

22102111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210211128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22102111210 its reverse (1211120122), we get a palindrome (23313231332).

The spelling of 22102111210 in words is "twenty-two billion, one hundred two million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 2210211121 4420422242 11051055605 22102111210