Search a number
-
+
2000111021221 = 4778367543029
BaseRepresentation
bin11101000110101111111…
…010000010110010100101
321002012122011202022110011
4131012233322002302211
5230232211410134341
64130501024330221
7264334421112055
oct35065772026245
97065564668404
102000111021221
1170127358a765
12283775173971
131167c05664c1
146cb3d50d565
1537062b0cb81
hex1d1afe82ca5

2000111021221 has 8 divisors (see below), whose sum is σ = 2042696401920. Its totient is φ = 1957526883408.

The previous prime is 2000111021203. The next prime is 2000111021231. The reversal of 2000111021221 is 1221201110002.

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 2000111021221 - 25 = 2000111021189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000111021231) 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, 3411735 + ... + 3954763.

It is an arithmetic number, because the mean of its divisors is an integer number (255337050240).

Almost surely, 22000111021221 is an apocalyptic number.

It is an amenable number.

2000111021221 is a deficient number, since it is larger than the sum of its proper divisors (42585380699).

2000111021221 is an equidigital number, since it uses as much as digits as its factorization.

2000111021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621443.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2000111021221 its reverse (1221201110002), we get a palindrome (3221312131223).

The spelling of 2000111021221 in words is "two trillion, one hundred eleven million, twenty-one thousand, two hundred twenty-one".

Divisors: 1 47 78367 543029 3683249 25522363 42555553643 2000111021221