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22101000112001 = 72193061504379
BaseRepresentation
bin1010000011001110010100…
…10000101100011110000001
32220020211112200211122121202
411001213022100230132001
510344100322012041001
6115001020450030545
74440513246223616
oct501471220543601
986224480748552
1022101000112001
117050a88433968
12258b3a4278455
13c44166603995
145659a090850d
15284d6eca296b
hex1419ca42c781

22101000112001 has 4 divisors (see below), whose sum is σ = 22104061623600. Its totient is φ = 22097938600404.

The previous prime is 22101000111991. The next prime is 22101000112003. The reversal of 22101000112001 is 10021100010122.

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 22101000112001 - 234 = 22083820242817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101000112003) 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, 1530744971 + ... + 1530759408.

It is an arithmetic number, because the mean of its divisors is an integer number (5526015405900).

Almost surely, 222101000112001 is an apocalyptic number.

It is an amenable number.

22101000112001 is a deficient number, since it is larger than the sum of its proper divisors (3061511599).

22101000112001 is an equidigital number, since it uses as much as digits as its factorization.

22101000112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061511598.

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

Adding to 22101000112001 its reverse (10021100010122), we get a palindrome (32122100122123).

The spelling of 22101000112001 in words is "twenty-two trillion, one hundred one billion, one hundred twelve thousand, one".

Divisors: 1 7219 3061504379 22101000112001