13100022043221 has 32 divisors (see below), whose sum is σ = 18035544430080. Its totient is φ = 8453579846976.

The previous prime is 13100022043217. The next prime is 13100022043271. The reversal of 13100022043221 is 12234022000131.

It is not a de Polignac number, because 13100022043221 - 2² = 13100022043217 is a prime.

It is a super-2 number, since 2×13100022043221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100022043271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27717330 + ... + 28185996.

It is an arithmetic number, because the mean of its divisors is an integer number (563610763440).

Almost surely, 2^{13100022043221} is an apocalyptic number.

It is an amenable number.

13100022043221 is a deficient number, since it is larger than the sum of its proper divisors (4935522386859).

13100022043221 is a wasteful number, since it uses less digits than its factorization.

13100022043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471153.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13100022043221 its reverse (12234022000131), we get a palindrome (25334044043352).

The spelling of 13100022043221 in words is "thirteen trillion, one hundred billion, twenty-two million, forty-three thousand, two hundred twenty-one".