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222221020200131 is a prime number
BaseRepresentation
bin110010100001101111011100…
…111110000111110011000011
31002010211010021222102220102102
4302201233130332013303003
5213111332122132401011
62104342532150341015
764543640016501011
oct6241573476076303
91063733258386372
10222221020200131
1164896450681897
1220b0bb0a05a76b
1396cc476c91494
143cc37aa3c38b1
151aa572a96473b
hexca1bdcf87cc3

222221020200131 has 2 divisors, whose sum is σ = 222221020200132. Its totient is φ = 222221020200130.

The previous prime is 222221020200083. The next prime is 222221020200181. The reversal of 222221020200131 is 131002020122222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222221020200131 is a prime.

It is a super-2 number, since 2×2222210202001312 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222221020200181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110510100065 + 111110510100066.

It is an arithmetic number, because the mean of its divisors is an integer number (111110510100066).

Almost surely, 2222221020200131 is an apocalyptic number.

222221020200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221020200131 is an equidigital number, since it uses as much as digits as its factorization.

222221020200131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222221020200131 its reverse (131002020122222), we get a palindrome (353223040322353).

The spelling of 222221020200131 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twenty million, two hundred thousand, one hundred thirty-one".