22021221300210 has 96 divisors (see below), whose sum is σ = 62470121762880. Its totient is φ = 5337629136000.

The previous prime is 22021221300191. The next prime is 22021221300259. The reversal of 22021221300210 is 1200312212022.

22021221300210 is a `hidden beast` number, since 2 + 202 + 1 + 221 + 30 + 0 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4472901 + ... + 8003079.

It is an arithmetic number, because the mean of its divisors is an integer number (650730435030).

Almost surely, 2^{22021221300210} is an apocalyptic number.

22021221300210 is an abundant number, since it is smaller than the sum of its proper divisors (40448900462670).

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

22021221300210 is a wasteful number, since it uses less digits than its factorization.

22021221300210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536504 (or 3536501 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22021221300210 its reverse (1200312212022), we get a palindrome (23221533512232).

The spelling of 22021221300210 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-one million, three hundred thousand, two hundred ten".