22021001001010 has 48 divisors (see below), whose sum is σ = 44283066624216. Its totient is φ = 7876363968000.

The previous prime is 22021001000953. The next prime is 22021001001089. The reversal of 22021001001010 is 1010010012022.

It can be written as a sum of positive squares in 4 ways, for example, as 17230194959329 + 4790806041681 = 4150927^2 + 2188791^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149099751 + ... + 149247370.

Almost surely, 2^{22021001001010} is an apocalyptic number.

22021001001010 is an abundant number, since it is smaller than the sum of its proper divisors (22262065623206).

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

22021001001010 is a wasteful number, since it uses less digits than its factorization.

22021001001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298347211 (or 298347200 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22021001001010 its reverse (1010010012022), we get a palindrome (23031011013032).

The spelling of 22021001001010 in words is "twenty-two trillion, twenty-one billion, one million, one thousand, ten".