211331445245043 has 16 divisors (see below), whose sum is σ = 281796780583296. Its totient is φ = 140876870555520.

The previous prime is 211331445245027. The next prime is 211331445245057. The reversal of 211331445245043 is 340542544133112.

It is not a de Polignac number, because 211331445245043 - 2⁴ = 211331445245027 is a prime.

It is a super-2 number, since 2×211331445245043² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211331445244986 and 211331445245004.

It is not an unprimeable number, because it can be changed into a prime (211331445245083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3517295080 + ... + 3517355162.

It is an arithmetic number, because the mean of its divisors is an integer number (17612298786456).

Almost surely, 2^{211331445245043} is an apocalyptic number.

211331445245043 is a deficient number, since it is larger than the sum of its proper divisors (70465335338253).

211331445245043 is a wasteful number, since it uses less digits than its factorization.

211331445245043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130114.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 211331445245043 its reverse (340542544133112), we get a palindrome (551873989378155).

The spelling of 211331445245043 in words is "two hundred eleven trillion, three hundred thirty-one billion, four hundred forty-five million, two hundred forty-five thousand, forty-three".