211322133157 has 2 divisors, whose sum is σ = 211322133158. Its totient is φ = 211322133156.

The previous prime is 211322133131. The next prime is 211322133229. The reversal of 211322133157 is 751331223112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133138144161 + 78183988996 = 364881^2 + 279614^2 .

It is a cyclic number.

It is not a de Polignac number, because 211322133157 - 2³⁵ = 176962394789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211322133557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105661066578 + 105661066579.

It is an arithmetic number, because the mean of its divisors is an integer number (105661066579).

Almost surely, 2^211322133157 is an apocalyptic number.

It is an amenable number.

211322133157 is a deficient number, since it is larger than the sum of its proper divisors (1).

211322133157 is an equidigital number, since it uses as much as digits as its factorization.

211322133157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

Adding to 211322133157 its reverse (751331223112), we get a palindrome (962653356269).

The spelling of 211322133157 in words is "two hundred eleven billion, three hundred twenty-two million, one hundred thirty-three thousand, one hundred fifty-seven".