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2201021122213 = 2395696570531
BaseRepresentation
bin100000000001110111000…
…101010000011010100101
321210102012221112220210201
4200001313011100122211
5242030142401402323
64403045105150501
7315006232564534
oct40016705203245
97712187486721
102201021122213
117794a2052241
122b66a562b431
1312c72b2a7874
147875c41a31b
153c3c0e068ad
hex200771506a5

2201021122213 has 4 divisors (see below), whose sum is σ = 2296717692768. Its totient is φ = 2105324551660.

The previous prime is 2201021122193. The next prime is 2201021122241. The reversal of 2201021122213 is 3122211201022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2201021122213 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 (2201021122913) 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, 47848285243 + ... + 47848285288.

It is an arithmetic number, because the mean of its divisors is an integer number (574179423192).

Almost surely, 22201021122213 is an apocalyptic number.

2201021122213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2201021122213 is a deficient number, since it is larger than the sum of its proper divisors (95696570555).

2201021122213 is an equidigital number, since it uses as much as digits as its factorization.

2201021122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95696570554.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2201021122213 its reverse (3122211201022), we get a palindrome (5323232323235).

The spelling of 2201021122213 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 23 95696570531 2201021122213