Search a number
-
+
201012020121211 = 1315462463086247
BaseRepresentation
bin101101101101000111000010…
…000011100000111001111011
3222100201120011022000220111221
4231231013002003200321323
5202321340104122334321
61551303351444532511
760224432150362645
oct5555070203407173
9870646138026457
10201012020121211
115905979aa93212
121a6655869b1137
138821476915880
14378d068605895
151838bb5bece41
hexb6d1c20e0e7b

201012020121211 has 4 divisors (see below), whose sum is σ = 216474483207472. Its totient is φ = 185549557034952.

The previous prime is 201012020121203. The next prime is 201012020121229. The reversal of 201012020121211 is 112121020210102.

201012020121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201012020121211 - 23 = 201012020121203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012020124211) 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, 7731231543111 + ... + 7731231543136.

It is an arithmetic number, because the mean of its divisors is an integer number (54118620801868).

Almost surely, 2201012020121211 is an apocalyptic number.

201012020121211 is a deficient number, since it is larger than the sum of its proper divisors (15462463086261).

201012020121211 is a wasteful number, since it uses less digits than its factorization.

201012020121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462463086260.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201012020121211 its reverse (112121020210102), we get a palindrome (313133040331313).

The spelling of 201012020121211 in words is "two hundred one trillion, twelve billion, twenty million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 13 15462463086247 201012020121211