971292213011 has 2 divisors, whose sum is σ = 971292213012. Its totient is φ = 971292213010.

The previous prime is 971292213007. The next prime is 971292213091. The reversal of 971292213011 is 110312292179.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971292213011 - 2² = 971292213007 is a prime.

It is a super-2 number, since 2×971292213011² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (971292213091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485646106505 + 485646106506.

It is an arithmetic number, because the mean of its divisors is an integer number (485646106506).

Almost surely, 2^971292213011 is an apocalyptic number.

971292213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

971292213011 is an equidigital number, since it uses as much as digits as its factorization.

971292213011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 971292213011 in words is "nine hundred seventy-one billion, two hundred ninety-two million, two hundred thirteen thousand, eleven".