10221121222044 has 24 divisors (see below), whose sum is σ = 23849375655168. Its totient is φ = 3407027149680.

The previous prime is 10221121222027. The next prime is 10221121222069. The reversal of 10221121222044 is 44022212112201.

10221121222044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852429 + ... + 4886075.

It is an arithmetic number, because the mean of its divisors is an integer number (993723985632).

Almost surely, 2^{10221121222044} is an apocalyptic number.

It is an amenable number.

10221121222044 is an abundant number, since it is smaller than the sum of its proper divisors (13628254433124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221121222044 is a wasteful number, since it uses less digits than its factorization.

10221121222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314425 (or 3314423 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 10221121222044 its reverse (44022212112201), we get a palindrome (54243333334245).

The spelling of 10221121222044 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-two thousand, forty-four".