13100022220221 has 24 divisors (see below), whose sum is σ = 19252835147520. Its totient is φ = 8580924144000.

The previous prime is 13100022220121. The next prime is 13100022220249. The reversal of 13100022220221 is 12202222000131.

It is not a de Polignac number, because 13100022220221 - 2⁷ = 13100022220093 is a prime.

It is a super-2 number, since 2×13100022220221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13100022220194 and 13100022220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100022220121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5286540 + ... + 7358501.

It is an arithmetic number, because the mean of its divisors is an integer number (802201464480).

Almost surely, 2^{13100022220221} is an apocalyptic number.

It is an amenable number.

13100022220221 is a deficient number, since it is larger than the sum of its proper divisors (6152812927299).

13100022220221 is a wasteful number, since it uses less digits than its factorization.

13100022220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647057 (or 12647054 counting only the distinct ones).

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

Adding to 13100022220221 its reverse (12202222000131), we get a palindrome (25302244220352).

The spelling of 13100022220221 in words is "thirteen trillion, one hundred billion, twenty-two million, two hundred twenty thousand, two hundred twenty-one".