211430404421122 has 16 divisors (see below), whose sum is σ = 320981234962752. Its totient is φ = 104436775282320.

The previous prime is 211430404421101. The next prime is 211430404421129. The reversal of 211430404421122 is 221124404034112.

It is not an unprimeable number, because it can be changed into a prime (211430404421129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25299654 + ... + 32602657.

It is an arithmetic number, because the mean of its divisors is an integer number (20061327185172).

Almost surely, 2^{211430404421122} is an apocalyptic number.

211430404421122 is a deficient number, since it is larger than the sum of its proper divisors (109550830541630).

211430404421122 is a wasteful number, since it uses less digits than its factorization.

211430404421122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57924393.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 211430404421122 its reverse (221124404034112), we get a palindrome (432554808455234).

The spelling of 211430404421122 in words is "two hundred eleven trillion, four hundred thirty billion, four hundred four million, four hundred twenty-one thousand, one hundred twenty-two".