Search a number
-
+
11121102102001 = 20999973531263
BaseRepresentation
bin1010000111010101010101…
…0101110001110111110001
31110101011111201121212112111
42201311111111301313301
52424202004114231001
635352544101525321
72225321164105153
oct241652525616761
943334451555474
1011121102102001
1135a8484234631
1212b7416713841
1362893ba46a88
142a639b006ad3
151444432ad851
hexa1d55571df1

11121102102001 has 8 divisors (see below), whose sum is σ = 11127536985600. Its totient is φ = 11114668305072.

The previous prime is 11121102101789. The next prime is 11121102102029. The reversal of 11121102102001 is 10020120112111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11121102102001 - 211 = 11121102099953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121102102041) 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, 20667696 + ... + 21198958.

It is an arithmetic number, because the mean of its divisors is an integer number (1390942123200).

Almost surely, 211121102102001 is an apocalyptic number.

It is an amenable number.

11121102102001 is a deficient number, since it is larger than the sum of its proper divisors (6434883599).

11121102102001 is an equidigital number, since it uses as much as digits as its factorization.

11121102102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543335.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121102102001 its reverse (10020120112111), we get a palindrome (21141222214112).

The spelling of 11121102102001 in words is "eleven trillion, one hundred twenty-one billion, one hundred two million, one hundred two thousand, one".

Divisors: 1 2099 9973 531263 20933327 1115121037 5298285899 11121102102001