211213038773 has 4 divisors (see below), whose sum is σ = 230414224128. Its totient is φ = 192011853420.

The previous prime is 211213038769. The next prime is 211213038787. The reversal of 211213038773 is 377830312112.

211213038773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211213038773 - 2² = 211213038769 is a prime.

It is a super-2 number, since 2×211213038773² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213038733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9600592661 + ... + 9600592682.

It is an arithmetic number, because the mean of its divisors is an integer number (57603556032).

Almost surely, 2^211213038773 is an apocalyptic number.

It is an amenable number.

211213038773 is a deficient number, since it is larger than the sum of its proper divisors (19201185355).

211213038773 is a wasteful number, since it uses less digits than its factorization.

211213038773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19201185354.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 211213038773 in words is "two hundred eleven billion, two hundred thirteen million, thirty-eight thousand, seven hundred seventy-three".