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2010201122221 = 31471379685053
BaseRepresentation
bin11101010000001001010…
…100101110010110101101
321010011200101001112220121
4131100021110232112231
5230413342441402341
64135250150244541
7265142441420125
oct35201124562655
97104611045817
102010201122221
11705581144a06
12285710356751
1311773ab0c876
146d419607c85
15374538674d1
hex1d40952e5ad

2010201122221 has 8 divisors (see below), whose sum is σ = 2119196242944. Its totient is φ = 1903965371760.

The previous prime is 2010201122191. The next prime is 2010201122227. The reversal of 2010201122221 is 1222211020102.

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 2010201122221 - 211 = 2010201120173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010201122195 and 2010201122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010201122227) 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, 689841070 + ... + 689843983.

It is an arithmetic number, because the mean of its divisors is an integer number (264899530368).

Almost surely, 22010201122221 is an apocalyptic number.

It is an amenable number.

2010201122221 is a deficient number, since it is larger than the sum of its proper divisors (108995120723).

2010201122221 is a wasteful number, since it uses less digits than its factorization.

2010201122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379685131.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2010201122221 its reverse (1222211020102), we get a palindrome (3232412142323).

The spelling of 2010201122221 in words is "two trillion, ten billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 31 47 1457 1379685053 42770236643 64845197491 2010201122221