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22102120212010 = 252210212021201
BaseRepresentation
bin1010000011010000011010…
…00001100010011000101010
32220020221102202111121222021
411001220031001202120222
510344110120233241020
6115001323541415054
74440553100013406
oct501501501423052
986227382447867
1022102120212010
117051502727653
12258b65740a48a
13c442b46a1457
14565a6959a106
15284dd82a91aa
hex141a0d06262a

22102120212010 has 8 divisors (see below), whose sum is σ = 39783816381636. Its totient is φ = 8840848084800.

The previous prime is 22102120211989. The next prime is 22102120212013. The reversal of 22102120212010 is 1021202120122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20407002142921 + 1695118069089 = 4517411^2 + 1301967^2 .

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

It is a super-2 number, since 2×221021202120102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22102120212013) 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, 1105106010591 + ... + 1105106010610.

Almost surely, 222102120212010 is an apocalyptic number.

22102120212010 is a deficient number, since it is larger than the sum of its proper divisors (17681696169626).

22102120212010 is a wasteful number, since it uses less digits than its factorization.

22102120212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210212021208.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22102120212010 its reverse (1021202120122), we get a palindrome (23123322332132).

It can be divided in two parts, 2 and 2102120212010, that added together give a palindrome (2102120212012).

The spelling of 22102120212010 in words is "twenty-two trillion, one hundred two billion, one hundred twenty million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 2210212021201 4420424042402 11051060106005 22102120212010