211400010042 has 32 divisors (see below), whose sum is σ = 479287475520. Its totient is φ = 61622674560.

The previous prime is 211400010013. The next prime is 211400010047. The reversal of 211400010042 is 240010004112.

It is not an unprimeable number, because it can be changed into a prime (211400010047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71321059 + ... + 71324022.

It is an arithmetic number, because the mean of its divisors is an integer number (14977733610).

Almost surely, 2^211400010042 is an apocalyptic number.

211400010042 is an abundant number, since it is smaller than the sum of its proper divisors (267887465478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211400010042 is a wasteful number, since it uses less digits than its factorization.

211400010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142645118.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211400010042 its reverse (240010004112), we get a palindrome (451410014154).

The spelling of 211400010042 in words is "two hundred eleven billion, four hundred million, ten thousand, forty-two".