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211202102220101 = 1783266269444863
BaseRepresentation
bin110000000001011001010010…
…010001110101010101000101
31000200210201112122021021012222
4300001121102101311111011
5210140313401132020401
62025104523433022125
762325563660156546
oct6001312221652505
91020721478237188
10211202102220101
1161328343748543
121b830470854945
1390b03713b9605
143a223445444cd
151963cb8522c1b
hexc01652475545

211202102220101 has 8 divisors (see below), whose sum is σ = 211321824107520. Its totient is φ = 211082381758512.

The previous prime is 211202102220013. The next prime is 211202102220113. The reversal of 211202102220101 is 101022201202112.

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 211202102220101 - 222 = 211202098025797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211202102220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202102228101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474535196 + ... + 474980058.

It is an arithmetic number, because the mean of its divisors is an integer number (26415228013440).

Almost surely, 2211202102220101 is an apocalyptic number.

It is an amenable number.

211202102220101 is a deficient number, since it is larger than the sum of its proper divisors (119721887419).

211202102220101 is a wasteful number, since it uses less digits than its factorization.

211202102220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712915.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211202102220101 its reverse (101022201202112), we get a palindrome (312224303422213).

The spelling of 211202102220101 in words is "two hundred eleven trillion, two hundred two billion, one hundred two million, two hundred twenty thousand, one hundred one".

Divisors: 1 1783 266269 444863 474757627 793190729 118453226147 211202102220101