22212021001210 has 8 divisors (see below), whose sum is σ = 39981637802196. Its totient is φ = 8884808400480.

The previous prime is 22212021001141. The next prime is 22212021001241. The reversal of 22212021001210 is 1210012021222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21119989731201 + 1092031270009 = 4595649^2 + 1045003^2 .

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

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, 1110601050051 + ... + 1110601050070.

Almost surely, 2^{22212021001210} is an apocalyptic number.

22212021001210 is a deficient number, since it is larger than the sum of its proper divisors (17769616800986).

22212021001210 is a wasteful number, since it uses less digits than its factorization.

22212021001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221202100128.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22212021001210 its reverse (1210012021222), we get a palindrome (23422033022432).

The spelling of 22212021001210 in words is "twenty-two trillion, two hundred twelve billion, twenty-one million, one thousand, two hundred ten".