42210221211 has 24 divisors (see below), whose sum is σ = 62362460160. Its totient is φ = 27499446576.

The previous prime is 42210221203. The next prime is 42210221233. The reversal of 42210221211 is 11212201224.

42210221211 is a `hidden beast` number, since 422 + 1 + 0 + 221 + 21 + 1 = 666.

It is not a de Polignac number, because 42210221211 - 2³ = 42210221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42210201211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203046 + ... + 354468.

It is an arithmetic number, because the mean of its divisors is an integer number (2598435840).

Almost surely, 2^42210221211 is an apocalyptic number.

42210221211 is a deficient number, since it is larger than the sum of its proper divisors (20152238949).

42210221211 is a wasteful number, since it uses less digits than its factorization.

42210221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152135 (or 152132 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 42210221211 its reverse (11212201224), we get a palindrome (53422422435).

The spelling of 42210221211 in words is "forty-two billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".