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102221220021201 = 3223493822318943
BaseRepresentation
bin10111001111100000111011…
…100000100000001111010001
3111101221020211120122211110100
4113033200323200200033101
5101344243024311134301
61001223440304323013
730350145060614331
oct2717407340401721
9441836746584410
10102221220021201
112a630859889166
12b56b1a7913469
13450655c088538
141b35767acb0c1
15bc401db30286
hex5cf83b8203d1

102221220021201 has 12 divisors (see below), whose sum is σ = 154072563510528. Its totient is φ = 65184546100344.

The previous prime is 102221220021163. The next prime is 102221220021227. The reversal of 102221220021201 is 102120022122201.

It is a happy number.

102221220021201 is a `hidden beast` number, since 1 + 0 + 2 + 221 + 220 + 0 + 21 + 201 = 666.

It is not a de Polignac number, because 102221220021201 - 211 = 102221220019153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102221220021241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246911159265 + ... + 246911159678.

It is an arithmetic number, because the mean of its divisors is an integer number (12839380292544).

Almost surely, 2102221220021201 is an apocalyptic number.

It is an amenable number.

102221220021201 is a deficient number, since it is larger than the sum of its proper divisors (51851343489327).

102221220021201 is a wasteful number, since it uses less digits than its factorization.

102221220021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493822318972 (or 493822318969 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102221220021201 its reverse (102120022122201), we get a palindrome (204341242143402).

The spelling of 102221220021201 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty million, twenty-one thousand, two hundred one".

Divisors: 1 3 9 23 69 207 493822318943 1481466956829 4444400870487 11357913335689 34073740007067 102221220021201