221220201313003 has 4 divisors (see below), whose sum is σ = 221336571752208. Its totient is φ = 221103830873800.

The previous prime is 221220201312973. The next prime is 221220201313019. The reversal of 221220201313003 is 300313102022122.

221220201313003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221220201313003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221220201313103) 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, 58185216751 + ... + 58185220552.

It is an arithmetic number, because the mean of its divisors is an integer number (55334142938052).

Almost surely, 2^{221220201313003} is an apocalyptic number.

221220201313003 is a deficient number, since it is larger than the sum of its proper divisors (116370439205).

221220201313003 is a wasteful number, since it uses less digits than its factorization.

221220201313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116370439204.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221220201313003 its reverse (300313102022122), we get a palindrome (521533303335125).

The spelling of 221220201313003 in words is "two hundred twenty-one trillion, two hundred twenty billion, two hundred one million, three hundred thirteen thousand, three".