21201341222 has 8 divisors (see below), whose sum is σ = 31803855672. Its totient is φ = 10600056000.

The previous prime is 21201341191. The next prime is 21201341267. The reversal of 21201341222 is 22214310212.

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

It is a super-2 number, since 2×21201341222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21201341194 and 21201341203.

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, 262904 + ... + 333947.

It is an arithmetic number, because the mean of its divisors is an integer number (3975481959).

Almost surely, 2^21201341222 is an apocalyptic number.

21201341222 is a deficient number, since it is larger than the sum of its proper divisors (10602514450).

21201341222 is a wasteful number, since it uses less digits than its factorization.

21201341222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614614.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21201341222 its reverse (22214310212), we get a palindrome (43415651434).

The spelling of 21201341222 in words is "twenty-one billion, two hundred one million, three hundred forty-one thousand, two hundred twenty-two".