211404323022 has 16 divisors (see below), whose sum is σ = 422815653840. Its totient is φ = 70466939712.

The previous prime is 211404322973. The next prime is 211404323051. The reversal of 211404323022 is 220323404112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211404322983 and 211404323001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152148 + ... + 667800.

It is an arithmetic number, because the mean of its divisors is an integer number (26425978365).

Almost surely, 2^211404323022 is an apocalyptic number.

211404323022 is an abundant number, since it is smaller than the sum of its proper divisors (211411330818).

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

211404323022 is a wasteful number, since it uses less digits than its factorization.

211404323022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583987.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 211404323022 its reverse (220323404112), we get a palindrome (431727727134).

The spelling of 211404323022 in words is "two hundred eleven billion, four hundred four million, three hundred twenty-three thousand, twenty-two".