22001100121010 has 16 divisors (see below), whose sum is σ = 39602059280856. Its totient is φ = 8800422478848.

The previous prime is 22001100120991. The next prime is 22001100121043. The reversal of 22001100121010 is 1012100110022.

It can be written as a sum of positive squares in 4 ways, for example, as 21432075811441 + 569024309569 = 4629479^2 + 754337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22001100120982 and 22001100121000.

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 7 ways as a sum of consecutive naturals, for example, 3857864 + ... + 7673676.

Almost surely, 2^{22001100121010} is an apocalyptic number.

22001100121010 is a deficient number, since it is larger than the sum of its proper divisors (17600959159846).

22001100121010 is a wasteful number, since it uses less digits than its factorization.

22001100121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392397.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22001100121010 its reverse (1012100110022), we get a palindrome (23013200231032).

The spelling of 22001100121010 in words is "twenty-two trillion, one billion, one hundred million, one hundred twenty-one thousand, ten".