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10111222001 = 194711322757
BaseRepresentation
bin10010110101010110…
…10000000011110001
3222002200001022000202
421122223100003301
5131201433101001
64351154324545
7505364653226
oct113253200361
928080038022
1010111222001
114319580821
121b62289755
13c51a5caca
146bcc3594d
153e2a2c96b
hex25aad00f1

10111222001 has 8 divisors (see below), whose sum is σ = 10869847680. Its totient is φ = 9375241968.

The previous prime is 10111221977. The next prime is 10111222007. The reversal of 10111222001 is 10022211101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10111222001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10111222007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5660486 + ... + 5662271.

It is an arithmetic number, because the mean of its divisors is an integer number (1358730960).

Almost surely, 210111222001 is an apocalyptic number.

It is an amenable number.

10111222001 is a deficient number, since it is larger than the sum of its proper divisors (758625679).

10111222001 is a wasteful number, since it uses less digits than its factorization.

10111222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322823.

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

Adding to 10111222001 its reverse (10022211101), we get a palindrome (20133433102).

The spelling of 10111222001 in words is "ten billion, one hundred eleven million, two hundred twenty-two thousand, one".

Divisors: 1 19 47 893 11322757 215132383 532169579 10111222001