101031121211 has 2 divisors, whose sum is σ = 101031121212. Its totient is φ = 101031121210.

The previous prime is 101031121201. The next prime is 101031121277. The reversal of 101031121211 is 112121130101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101031121211 - 2¹⁰ = 101031120187 is a prime.

It is not a weakly prime, because it can be changed into another prime (101031121201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515560605 + 50515560606.

It is an arithmetic number, because the mean of its divisors is an integer number (50515560606).

Almost surely, 2^101031121211 is an apocalyptic number.

101031121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101031121211 is an equidigital number, since it uses as much as digits as its factorization.

101031121211 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 101031121211 its reverse (112121130101), we get a palindrome (213152251312).

The spelling of 101031121211 in words is "one hundred one billion, thirty-one million, one hundred twenty-one thousand, two hundred eleven".