201022221003 has 4 divisors (see below), whose sum is σ = 268029628008. Its totient is φ = 134014814000.

The previous prime is 201022220999. The next prime is 201022221017. The reversal of 201022221003 is 300122220102.

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 201022221003 - 2² = 201022220999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201022221073) 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, 33503703498 + ... + 33503703503.

It is an arithmetic number, because the mean of its divisors is an integer number (67007407002).

Almost surely, 2^201022221003 is an apocalyptic number.

201022221003 is a deficient number, since it is larger than the sum of its proper divisors (67007407005).

201022221003 is an equidigital number, since it uses as much as digits as its factorization.

201022221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67007407004.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201022221003 its reverse (300122220102), we get a palindrome (501144441105).

Subtracting 201022221003 from its reverse (300122220102), we obtain a palindrome (99099999099).

The spelling of 201022221003 in words is "two hundred one billion, twenty-two million, two hundred twenty-one thousand, three".