221201010203 has 8 divisors (see below), whose sum is σ = 221569879440. Its totient is φ = 220832330400.

The previous prime is 221201010187. The next prime is 221201010211. The reversal of 221201010203 is 302010102122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221201010203 - 2⁴ = 221201010187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221201010253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394101 + ... + 2484777.

It is an arithmetic number, because the mean of its divisors is an integer number (27696234930).

Almost surely, 2^221201010203 is an apocalyptic number.

221201010203 is a deficient number, since it is larger than the sum of its proper divisors (368869237).

221201010203 is an equidigital number, since it uses as much as digits as its factorization.

221201010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94717.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 221201010203 its reverse (302010102122), we get a palindrome (523211112325).

The spelling of 221201010203 in words is "two hundred twenty-one billion, two hundred one million, ten thousand, two hundred three".