22001000221010 has 32 divisors (see below), whose sum is σ = 39694185104112. Its totient is φ = 8779876391680.

The previous prime is 22001000220989. The next prime is 22001000221061. The reversal of 22001000221010 is 1012200010022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5331393258361 + 16669606962649 = 2308981^2 + 4082843^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22001000220982 and 22001000221000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28070972 + ... + 28844088.

Almost surely, 2^{22001000221010} is an apocalyptic number.

22001000221010 is a deficient number, since it is larger than the sum of its proper divisors (17693184883102).

22001000221010 is a wasteful number, since it uses less digits than its factorization.

22001000221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779758.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22001000221010 its reverse (1012200010022), we get a palindrome (23013200231032).

The spelling of 22001000221010 in words is "twenty-two trillion, one billion, two hundred twenty-one thousand, ten".