211440040022 has 8 divisors (see below), whose sum is σ = 317181132936. Its totient is φ = 105712995712.

The previous prime is 211440039997. The next prime is 211440040033. The reversal of 211440040022 is 220040044112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211440039976 and 211440040003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3474443 + ... + 3534774.

It is an arithmetic number, because the mean of its divisors is an integer number (39647641617).

Almost surely, 2^211440040022 is an apocalyptic number.

211440040022 is a deficient number, since it is larger than the sum of its proper divisors (105741092914).

211440040022 is a wasteful number, since it uses less digits than its factorization.

211440040022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024302.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 211440040022 its reverse (220040044112), we get a palindrome (431480084134).

The spelling of 211440040022 in words is "two hundred eleven billion, four hundred forty million, forty thousand, twenty-two".