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22101000120101 = 73157285731443
BaseRepresentation
bin1010000011001110010100…
…10000101110011100100101
32220020211112200212001201202
411001213022100232130211
510344100322012320401
6115001020450132245
74440513246256340
oct501471220563445
986224480761652
1022101000120101
117050a88439a61
12258b3a4281085
13c44166607586
145659a090b457
15284d6eca506b
hex1419ca42e725

22101000120101 has 4 divisors (see below), whose sum is σ = 25258285851552. Its totient is φ = 18943714388652.

The previous prime is 22101000120083. The next prime is 22101000120109. The reversal of 22101000120101 is 10102100010122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22101000120101 - 214 = 22101000103717 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 (22101000120109) 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, 1578642865715 + ... + 1578642865728.

It is an arithmetic number, because the mean of its divisors is an integer number (6314571462888).

Almost surely, 222101000120101 is an apocalyptic number.

It is an amenable number.

22101000120101 is a deficient number, since it is larger than the sum of its proper divisors (3157285731451).

22101000120101 is an equidigital number, since it uses as much as digits as its factorization.

22101000120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157285731450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101000120101 its reverse (10102100010122), we get a palindrome (32203100130223).

The spelling of 22101000120101 in words is "twenty-two trillion, one hundred one billion, one hundred twenty thousand, one hundred one".

Divisors: 1 7 3157285731443 22101000120101