2102012221003 has 4 divisors (see below), whose sum is σ = 2102041565080. Its totient is φ = 2101982876928.

The previous prime is 2102012220989. The next prime is 2102012221013. The reversal of 2102012221003 is 3001222102012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102012221003 - 2⁹ = 2102012220491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102012221013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14564325 + ... + 14707942.

It is an arithmetic number, because the mean of its divisors is an integer number (525510391270).

Almost surely, 2^{2102012221003} is an apocalyptic number.

2102012221003 is a deficient number, since it is larger than the sum of its proper divisors (29344077).

2102012221003 is an equidigital number, since it uses as much as digits as its factorization.

2102012221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29344076.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2102012221003 its reverse (3001222102012), we get a palindrome (5103234323015).

The spelling of 2102012221003 in words is "two trillion, one hundred two billion, twelve million, two hundred twenty-one thousand, three".