211231330101293 has 2 divisors, whose sum is σ = 211231330101294. Its totient is φ = 211231330101292.

The previous prime is 211231330101257. The next prime is 211231330101307. The reversal of 211231330101293 is 392101033132112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209506315794889 + 1725014306404 = 14474333^2 + 1313398^2 .

It is a cyclic number.

It is not a de Polignac number, because 211231330101293 - 2¹⁶ = 211231330035757 is a prime.

It is a super-2 number, since 2×211231330101293² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211231330101893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105615665050646 + 105615665050647.

It is an arithmetic number, because the mean of its divisors is an integer number (105615665050647).

Almost surely, 2^{211231330101293} is an apocalyptic number.

It is an amenable number.

211231330101293 is a deficient number, since it is larger than the sum of its proper divisors (1).

211231330101293 is an equidigital number, since it uses as much as digits as its factorization.

211231330101293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 211231330101293 in words is "two hundred eleven trillion, two hundred thirty-one billion, three hundred thirty million, one hundred one thousand, two hundred ninety-three".