Search a number
-
+
22102111001 = 113511947151
BaseRepresentation
bin10100100101011000…
…110111001100011001
32010001100000120102202
4110211120313030121
5330231120023001
614053100535545
71411465562255
oct244530671431
963040016382
1022102111001
11941207a143
124349b515b5
1321130545b9
1410d9561265
1589559d96b
hex525637319

22102111001 has 4 divisors (see below), whose sum is σ = 22104069504. Its totient is φ = 22100152500.

The previous prime is 22102110977. The next prime is 22102111067. The reversal of 22102111001 is 10011120122.

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 22102111001 - 226 = 22035002137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962225 + ... + 984926.

It is an arithmetic number, because the mean of its divisors is an integer number (5526017376).

Almost surely, 222102111001 is an apocalyptic number.

It is an amenable number.

22102111001 is a deficient number, since it is larger than the sum of its proper divisors (1958503).

22102111001 is a wasteful number, since it uses less digits than its factorization.

22102111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958502.

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

Adding to 22102111001 its reverse (10011120122), we get a palindrome (32113231123).

The spelling of 22102111001 in words is "twenty-two billion, one hundred two million, one hundred eleven thousand, one".

Divisors: 1 11351 1947151 22102111001