211344421043 has 16 divisors (see below), whose sum is σ = 244372497600. Its totient is φ = 179034541056.

The previous prime is 211344421037. The next prime is 211344421063. The reversal of 211344421043 is 340124443112.

It is not a de Polignac number, because 211344421043 - 2¹⁶ = 211344355507 is a prime.

It is a super-2 number, since 2×211344421043² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211344420997 and 211344421015.

It is not an unprimeable number, because it can be changed into a prime (211344421003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106730 + ... + 658847.

It is an arithmetic number, because the mean of its divisors is an integer number (15273281100).

Almost surely, 2^211344421043 is an apocalyptic number.

211344421043 is a deficient number, since it is larger than the sum of its proper divisors (33028076557).

211344421043 is a wasteful number, since it uses less digits than its factorization.

211344421043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766046.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 211344421043 its reverse (340124443112), we get a palindrome (551468864155).

The spelling of 211344421043 in words is "two hundred eleven billion, three hundred forty-four million, four hundred twenty-one thousand, forty-three".