211003404042 has 16 divisors (see below), whose sum is σ = 444217692960. Its totient is φ = 66632653872.

The previous prime is 211003404041. The next prime is 211003404047. The reversal of 211003404042 is 240404300112.

It is not an unprimeable number, because it can be changed into a prime (211003404041) 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, 925453413 + ... + 925453640.

It is an arithmetic number, because the mean of its divisors is an integer number (27763605810).

Almost surely, 2^211003404042 is an apocalyptic number.

211003404042 is an abundant number, since it is smaller than the sum of its proper divisors (233214288918).

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

211003404042 is a wasteful number, since it uses less digits than its factorization.

211003404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850907077.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 211003404042 its reverse (240404300112), we get a palindrome (451407704154).

The spelling of 211003404042 in words is "two hundred eleven billion, three million, four hundred four thousand, forty-two".