2121223331103 has 16 divisors (see below), whose sum is σ = 2927048231520. Its totient is φ = 1364814424064.

The previous prime is 2121223330999. The next prime is 2121223331131. The reversal of 2121223331103 is 3011333221212.

It is a cyclic number.

It is not a de Polignac number, because 2121223331103 - 2³⁰ = 2120149589279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121223332103) 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, 4886226 + ... + 5302607.

It is an arithmetic number, because the mean of its divisors is an integer number (182940514470).

Almost surely, 2^{2121223331103} is an apocalyptic number.

2121223331103 is a deficient number, since it is larger than the sum of its proper divisors (805824900417).

2121223331103 is a wasteful number, since it uses less digits than its factorization.

2121223331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191258.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2121223331103 its reverse (3011333221212), we get a palindrome (5132556552315).

The spelling of 2121223331103 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred three".