221101010203 has 8 divisors (see below), whose sum is σ = 221714847200. Its totient is φ = 220487531328.

The previous prime is 221101010197. The next prime is 221101010231. The reversal of 221101010203 is 302010101122.

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 221101010203 - 2⁵ = 221101010171 is a prime.

It is a super-2 number, since 2×221101010203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221111010203) 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, 1171525 + ... + 1347097.

It is an arithmetic number, because the mean of its divisors is an integer number (27714355900).

Almost surely, 2^221101010203 is an apocalyptic number.

221101010203 is a deficient number, since it is larger than the sum of its proper divisors (613836997).

221101010203 is a wasteful number, since it uses less digits than its factorization.

221101010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179061.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221101010203 its reverse (302010101122), we get a palindrome (523111111325).

The spelling of 221101010203 in words is "two hundred twenty-one billion, one hundred one million, ten thousand, two hundred three".