2003221211222 has 32 divisors (see below), whose sum is σ = 3746691970560. Its totient is φ = 780390766080.

The previous prime is 2003221211221. The next prime is 2003221211227. The reversal of 2003221211222 is 2221121223002.

It is a junction number, because it is equal to n+sod(n) for n = 2003221211194 and 2003221211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003221211221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718838 + ... + 2126774.

It is an arithmetic number, because the mean of its divisors is an integer number (117084124080).

Almost surely, 2^{2003221211222} is an apocalyptic number.

2003221211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2003221211222 is a deficient number, since it is larger than the sum of its proper divisors (1743470759338).

2003221211222 is a wasteful number, since it uses less digits than its factorization.

2003221211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417196.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2003221211222 its reverse (2221121223002), we get a palindrome (4224342434224).

The spelling of 2003221211222 in words is "two trillion, three billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-two".