21030201222 has 8 divisors (see below), whose sum is σ = 42060402456. Its totient is φ = 7010067072.

The previous prime is 21030201163. The next prime is 21030201239. The reversal of 21030201222 is 22210203012.

It is a happy number.

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

21030201222 is an admirable number.

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, 1752516763 + ... + 1752516774.

It is an arithmetic number, because the mean of its divisors is an integer number (5257550307).

Almost surely, 2^21030201222 is an apocalyptic number.

21030201222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21030201222 is a wasteful number, since it uses less digits than its factorization.

21030201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505033542.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21030201222 its reverse (22210203012), we get a palindrome (43240404234).

The spelling of 21030201222 in words is "twenty-one billion, thirty million, two hundred one thousand, two hundred twenty-two".