211001022130231 has 2 divisors, whose sum is σ = 211001022130232. Its totient is φ = 211001022130230.

The previous prime is 211001022130211. The next prime is 211001022130267. The reversal of 211001022130231 is 132031220100112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211001022130231 - 2⁷ = 211001022130103 is a prime.

It is a super-2 number, since 2×211001022130231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211001022130199 and 211001022130208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211001022130201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500511065115 + 105500511065116.

It is an arithmetic number, because the mean of its divisors is an integer number (105500511065116).

Almost surely, 2^{211001022130231} is an apocalyptic number.

211001022130231 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001022130231 is an equidigital number, since it uses as much as digits as its factorization.

211001022130231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211001022130231 its reverse (132031220100112), we get a palindrome (343032242230343).

The spelling of 211001022130231 in words is "two hundred eleven trillion, one billion, twenty-two million, one hundred thirty thousand, two hundred thirty-one".