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212101202100131 is a prime number
BaseRepresentation
bin110000001110011110101000…
…110011101011111110100011
31000210222200021110022111222122
4300032132220303223332203
5210300031230214201011
62031033540323454455
762450543341101611
oct6016365063537643
91023880243274878
10212101202100131
1161644684133933
121b95677352742b
139147099539546
143a53a7817c6b1
15197c38b9ec3db
hexc0e7a8cebfa3

212101202100131 has 2 divisors, whose sum is σ = 212101202100132. Its totient is φ = 212101202100130.

The previous prime is 212101202100091. The next prime is 212101202100149. The reversal of 212101202100131 is 131001202101212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212101202100131 - 210 = 212101202099107 is a prime.

It is a super-2 number, since 2×2121012021001312 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212101202102131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050601050065 + 106050601050066.

It is an arithmetic number, because the mean of its divisors is an integer number (106050601050066).

Almost surely, 2212101202100131 is an apocalyptic number.

212101202100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101202100131 is an equidigital number, since it uses as much as digits as its factorization.

212101202100131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212101202100131 its reverse (131001202101212), we get a palindrome (343102404201343).

The spelling of 212101202100131 in words is "two hundred twelve trillion, one hundred one billion, two hundred two million, one hundred thousand, one hundred thirty-one".