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201000010121111 = 287281699663431
BaseRepresentation
bin101101101100111011110110…
…001100111111111110010111
3222100200102011022002200121102
4231230323312030333332113
5202321141010042333421
61551254044020540315
760223525425146255
oct5554736614777627
9870612138080542
10201000010121111
11590546977213a3
121a66319485169b
1388202b168c436
14378c6495435d5
15183871165460b
hexb6cef633ff97

201000010121111 has 4 divisors (see below), whose sum is σ = 201000710071824. Its totient is φ = 200999310170400.

The previous prime is 201000010121089. The next prime is 201000010121123. The reversal of 201000010121111 is 111121010000102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201000010121111 - 26 = 201000010121047 is a prime.

It is a super-3 number, since 3×2010000101211113 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000010121092 and 201000010121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000010121191) 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, 349544435 + ... + 350118996.

It is an arithmetic number, because the mean of its divisors is an integer number (50250177517956).

Almost surely, 2201000010121111 is an apocalyptic number.

201000010121111 is a deficient number, since it is larger than the sum of its proper divisors (699950713).

201000010121111 is an equidigital number, since it uses as much as digits as its factorization.

201000010121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699950712.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201000010121111 its reverse (111121010000102), we get a palindrome (312121020121213).

The spelling of 201000010121111 in words is "two hundred one trillion, ten million, one hundred twenty-one thousand, one hundred eleven".

Divisors: 1 287281 699663431 201000010121111