2013021221203 has 4 divisors (see below), whose sum is σ = 2055851460000. Its totient is φ = 1970190982408.

The previous prime is 2013021221177. The next prime is 2013021221243. The reversal of 2013021221203 is 3021221203102.

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 2013021221203 - 2³⁷ = 1875582267731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013021221243) 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, 21415119328 + ... + 21415119421.

It is an arithmetic number, because the mean of its divisors is an integer number (513962865000).

Almost surely, 2^{2013021221203} is an apocalyptic number.

2013021221203 is a deficient number, since it is larger than the sum of its proper divisors (42830238797).

2013021221203 is an equidigital number, since it uses as much as digits as its factorization.

2013021221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42830238796.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2013021221203 its reverse (3021221203102), we get a palindrome (5034242424305).

The spelling of 2013021221203 in words is "two trillion, thirteen billion, twenty-one million, two hundred twenty-one thousand, two hundred three".