211622994133 has 2 divisors, whose sum is σ = 211622994134. Its totient is φ = 211622994132.

The previous prime is 211622994119. The next prime is 211622994161. The reversal of 211622994133 is 331499226112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109851147844 + 101771846289 = 331438^2 + 319017^2 .

It is a cyclic number.

It is not a de Polignac number, because 211622994133 - 2⁵ = 211622994101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211622994133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211622994103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105811497066 + 105811497067.

It is an arithmetic number, because the mean of its divisors is an integer number (105811497067).

Almost surely, 2^211622994133 is an apocalyptic number.

It is an amenable number.

211622994133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211622994133 is an equidigital number, since it uses as much as digits as its factorization.

211622994133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The spelling of 211622994133 in words is "two hundred eleven billion, six hundred twenty-two million, nine hundred ninety-four thousand, one hundred thirty-three".