2012021222103 has 6 divisors (see below), whose sum is σ = 2906252876384. Its totient is φ = 1341347481396.

The previous prime is 2012021222083. The next prime is 2012021222111. The reversal of 2012021222103 is 3012221202102.

It is not a de Polignac number, because 2012021222103 - 2⁹ = 2012021221591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012021222153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111778956775 + ... + 111778956792.

Almost surely, 2^{2012021222103} is an apocalyptic number.

2012021222103 is a deficient number, since it is larger than the sum of its proper divisors (894231654281).

2012021222103 is a wasteful number, since it uses less digits than its factorization.

2012021222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223557913573 (or 223557913570 counting only the distinct ones).

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

Adding to 2012021222103 its reverse (3012221202102), we get a palindrome (5024242424205).

The spelling of 2012021222103 in words is "two trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, one hundred three".