211204343022 has 32 divisors (see below), whose sum is σ = 431469545472. Its totient is φ = 68891814624.

The previous prime is 211204342967. The next prime is 211204343023. The reversal of 211204343022 is 220343402112.

It is a happy number.

It is a super-2 number, since 2×211204343022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211204342983 and 211204343001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211204343023) 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, 1680123 + ... + 1801449.

It is an arithmetic number, because the mean of its divisors is an integer number (13483423296).

Almost surely, 2^211204343022 is an apocalyptic number.

211204343022 is an abundant number, since it is smaller than the sum of its proper divisors (220265202450).

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

211204343022 is a wasteful number, since it uses less digits than its factorization.

211204343022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127552.

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

Adding to 211204343022 its reverse (220343402112), we get a palindrome (431547745134).

The spelling of 211204343022 in words is "two hundred eleven billion, two hundred four million, three hundred forty-three thousand, twenty-two".