2002223223021 has 48 divisors (see below), whose sum is σ = 3110136078336. Its totient is φ = 1142417019744.

The previous prime is 2002223222983. The next prime is 2002223223047. The reversal of 2002223223021 is 1203223222002.

It is not a de Polignac number, because 2002223223021 - 2⁹ = 2002223222509 is a prime.

It is a super-2 number, since 2×2002223223021² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002223723021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333312000 + ... + 333318006.

It is an arithmetic number, because the mean of its divisors is an integer number (64794501632).

Almost surely, 2^{2002223223021} is an apocalyptic number.

2002223223021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2002223223021 is a deficient number, since it is larger than the sum of its proper divisors (1107912855315).

2002223223021 is a wasteful number, since it uses less digits than its factorization.

2002223223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038 (or 9031 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2002223223021 its reverse (1203223222002), we get a palindrome (3205446445023).

It can be divided in two parts, 200222 and 3223021, that added together give a palindrome (3423243).

The spelling of 2002223223021 in words is "two trillion, two billion, two hundred twenty-three million, two hundred twenty-three thousand, twenty-one".