131021211011 has 2 divisors, whose sum is σ = 131021211012. Its totient is φ = 131021211010.

The previous prime is 131021210927. The next prime is 131021211017. The reversal of 131021211011 is 110112120131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131021211011 - 2¹⁴ = 131021194627 is a prime.

It is not a weakly prime, because it can be changed into another prime (131021211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510605505 + 65510605506.

It is an arithmetic number, because the mean of its divisors is an integer number (65510605506).

Almost surely, 2^131021211011 is an apocalyptic number.

131021211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

131021211011 is an equidigital number, since it uses as much as digits as its factorization.

131021211011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 131021211011 its reverse (110112120131), we get a palindrome (241133331142).

The spelling of 131021211011 in words is "one hundred thirty-one billion, twenty-one million, two hundred eleven thousand, eleven".