2021222112003 has 48 divisors (see below), whose sum is σ = 3198569137920. Its totient is φ = 1225876462272.

The previous prime is 2021222111977. The next prime is 2021222112031. The reversal of 2021222112003 is 3002112221202.

It is not a de Polignac number, because 2021222112003 - 2⁸ = 2021222111747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021222110003) 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, 2110501 + ... + 2914902.

It is an arithmetic number, because the mean of its divisors is an integer number (66636857040).

Almost surely, 2^{2021222112003} is an apocalyptic number.

2021222112003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2021222112003 is a deficient number, since it is larger than the sum of its proper divisors (1177347025917).

2021222112003 is a wasteful number, since it uses less digits than its factorization.

2021222112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025528 (or 5025525 counting only the distinct ones).

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

Adding to 2021222112003 its reverse (3002112221202), we get a palindrome (5023334333205).

The spelling of 2021222112003 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, three".