1122003001021 has 48 divisors (see below), whose sum is σ = 1372596417984. Its totient is φ = 913323672576.

The previous prime is 1122003001001. The next prime is 1122003001043. The reversal of 1122003001021 is 1201003002211.

It is a de Polignac number, because none of the positive numbers 2^k-1122003001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122003000992 and 1122003001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122003001001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134319181 + ... + 134327533.

It is an arithmetic number, because the mean of its divisors is an integer number (28595758708).

Almost surely, 2^{1122003001021} is an apocalyptic number.

It is an amenable number.

1122003001021 is a deficient number, since it is larger than the sum of its proper divisors (250593416963).

1122003001021 is a wasteful number, since it uses less digits than its factorization.

1122003001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170 (or 10163 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1122003001021 its reverse (1201003002211), we get a palindrome (2323006003232).

The spelling of 1122003001021 in words is "one trillion, one hundred twenty-two billion, three million, one thousand, twenty-one".