22021201210 has 32 divisors (see below), whose sum is σ = 42129509760. Its totient is φ = 8263850688.

The previous prime is 22021201171. The next prime is 22021201211. The reversal of 22021201210 is 1210212022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22021201211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543057 + ... + 582196.

It is an arithmetic number, because the mean of its divisors is an integer number (1316547180).

Almost surely, 2^22021201210 is an apocalyptic number.

22021201210 is a deficient number, since it is larger than the sum of its proper divisors (20108308550).

22021201210 is a wasteful number, since it uses less digits than its factorization.

22021201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125382.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22021201210 its reverse (1210212022), we get a palindrome (23231413232).

It can be divided in two parts, 220212012 and 10, that added together give a palindrome (220212022).

The spelling of 22021201210 in words is "twenty-two billion, twenty-one million, two hundred one thousand, two hundred ten".