211332311042 has 16 divisors (see below), whose sum is σ = 319149979200. Its totient is φ = 104949091632.

The previous prime is 211332311041. The next prime is 211332311081. The reversal of 211332311042 is 240113233112.

It is a super-2 number, since 2×211332311042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211332310999 and 211332311017.

It is not an unprimeable number, because it can be changed into a prime (211332311041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7484483 + ... + 7512665.

It is an arithmetic number, because the mean of its divisors is an integer number (19946873700).

Almost surely, 2^211332311042 is an apocalyptic number.

211332311042 is a deficient number, since it is larger than the sum of its proper divisors (107817668158).

211332311042 is a wasteful number, since it uses less digits than its factorization.

211332311042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53497.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 211332311042 its reverse (240113233112), we get a palindrome (451445544154).

The spelling of 211332311042 in words is "two hundred eleven billion, three hundred thirty-two million, three hundred eleven thousand, forty-two".