22001010010221 has 16 divisors (see below), whose sum is σ = 32007657996288. Its totient is φ = 13331366756400.

The previous prime is 22001010010159. The next prime is 22001010010229. The reversal of 22001010010221 is 12201001010022.

It is not a de Polignac number, because 22001010010221 - 2⁷ = 22001010010093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22001010010197 and 22001010010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001010010229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64294381 + ... + 64635666.

It is an arithmetic number, because the mean of its divisors is an integer number (2000478624768).

Almost surely, 2^{22001010010221} is an apocalyptic number.

It is an amenable number.

22001010010221 is a deficient number, since it is larger than the sum of its proper divisors (10006647986067).

22001010010221 is a wasteful number, since it uses less digits than its factorization.

22001010010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128935232.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001010010221 its reverse (12201001010022), we get a palindrome (34202011020243).

The spelling of 22001010010221 in words is "twenty-two trillion, one billion, ten million, ten thousand, two hundred twenty-one".