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102221222222201 = 193769688743353
BaseRepresentation
bin10111001111100000111011…
…101000111001100101111001
3111101221020211201210122122212
4113033200323220321211321
5101344243030342102301
61001223440423424505
730350145115412255
oct2717407350714571
9441836751718585
10102221222222201
112a630860051875
12b56b1a85b5135
13450655c6792c4
141b35768101265
15bc401de174bb
hex5cf83ba39979

102221222222201 has 8 divisors (see below), whose sum is σ = 102884482220520. Its totient is φ = 101559339712512.

The previous prime is 102221222222179. The next prime is 102221222222261. The reversal of 102221222222201 is 102222222122201.

It can be written as a sum of positive squares in 4 ways, for example, as 7955084866576 + 94266137355625 = 2820476^2 + 9709075^2 .

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 102221222222201 - 26 = 102221222222137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221222222261) 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, 344223260 + ... + 344520093.

It is an arithmetic number, because the mean of its divisors is an integer number (12860560277565).

Almost surely, 2102221222222201 is an apocalyptic number.

It is an amenable number.

102221222222201 is a deficient number, since it is larger than the sum of its proper divisors (663259998319).

102221222222201 is an equidigital number, since it uses as much as digits as its factorization.

102221222222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688744315.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102221222222201 its reverse (102222222122201), we get a palindrome (204443444344402).

The spelling of 102221222222201 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 193 769 148417 688743353 132927467129 529643638457 102221222222201