211023132077 has 2 divisors, whose sum is σ = 211023132078. Its totient is φ = 211023132076.

The previous prime is 211023132071. The next prime is 211023132109. The reversal of 211023132077 is 770231320112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138052374916 + 72970757161 = 371554^2 + 270131^2 .

It is a cyclic number.

It is not a de Polignac number, because 211023132077 - 2¹² = 211023127981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211023132071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511566038 + 105511566039.

It is an arithmetic number, because the mean of its divisors is an integer number (105511566039).

Almost surely, 2^211023132077 is an apocalyptic number.

It is an amenable number.

211023132077 is a deficient number, since it is larger than the sum of its proper divisors (1).

211023132077 is an equidigital number, since it uses as much as digits as its factorization.

211023132077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 211023132077 its reverse (770231320112), we get a palindrome (981254452189).

The spelling of 211023132077 in words is "two hundred eleven billion, twenty-three million, one hundred thirty-two thousand, seventy-seven".