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2201221210201 = 131071582473911
BaseRepresentation
bin100000000010000011000…
…000100010000001011001
321210102201220001102220221
4200002003000202001121
5242031100112211301
64403121013520041
7315014212366456
oct40020300420131
97712656042827
102201221210201
11779594a95312
122b6740643021
1312c760892c20
147877ac2282d
153c3d377bda1
hex20083022059

2201221210201 has 8 divisors (see below), whose sum is σ = 2392700554944. Its totient is φ = 2012906813520.

The previous prime is 2201221210187. The next prime is 2201221210229. The reversal of 2201221210201 is 1020121221022.

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 2201221210201 - 217 = 2201221079129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201221210261) 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, 791235565 + ... + 791238346.

It is an arithmetic number, because the mean of its divisors is an integer number (299087569368).

Almost surely, 22201221210201 is an apocalyptic number.

It is an amenable number.

2201221210201 is a deficient number, since it is larger than the sum of its proper divisors (191479344743).

2201221210201 is a wasteful number, since it uses less digits than its factorization.

2201221210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582474031.

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

Adding to 2201221210201 its reverse (1020121221022), we get a palindrome (3221342431223).

The spelling of 2201221210201 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two hundred ten thousand, two hundred one".

Divisors: 1 13 107 1391 1582473911 20572160843 169324708477 2201221210201