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201202122020221 = 737975839473057
BaseRepresentation
bin101101101111111000000101…
…000000101101010101111101
3222101101201211211021222001101
4231233320011000231111331
5202332443421214121341
61551530551232213101
760244242102016450
oct5557700500552575
9871351754258041
10201202122020221
1159122382608663
121a69639b69a191
1388363813a454a
14379833dccb497
15183dae01e1831
hexb6fe0502d57d

201202122020221 has 8 divisors (see below), whose sum is σ = 230551998096320. Its totient is φ = 172003924891008.

The previous prime is 201202122020191. The next prime is 201202122020279. The reversal of 201202122020221 is 122020221202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201202122020221 - 217 = 201202121889149 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 (201202122020521) 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, 37919733876 + ... + 37919739181.

It is an arithmetic number, because the mean of its divisors is an integer number (28818999762040).

Almost surely, 2201202122020221 is an apocalyptic number.

It is an amenable number.

201202122020221 is a deficient number, since it is larger than the sum of its proper divisors (29349876076099).

201202122020221 is an equidigital number, since it uses as much as digits as its factorization.

201202122020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75839473443.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201202122020221 its reverse (122020221202102), we get a palindrome (323222343222323).

The spelling of 201202122020221 in words is "two hundred one trillion, two hundred two billion, one hundred twenty-two million, twenty thousand, two hundred twenty-one".

Divisors: 1 7 379 2653 75839473057 530876311399 28743160288603 201202122020221