10221121024 has 40 divisors (see below), whose sum is σ = 20440129248. Its totient is φ = 5106094080.

The previous prime is 10221121007. The next prime is 10221121037. The reversal of 10221121024 is 42012112201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10221120989 and 10221121007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622164 + ... + 638380.

Almost surely, 2^10221121024 is an apocalyptic number.

It is an amenable number.

10221121024 is a deficient number, since it is larger than the sum of its proper divisors (10219008224).

10221121024 is an equidigital number, since it uses as much as digits as its factorization.

10221121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17466 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221121024 its reverse (42012112201), we get a palindrome (52233233225).

The spelling of 10221121024 in words is "ten billion, two hundred twenty-one million, one hundred twenty-one thousand, twenty-four".