221332213112203 has 4 divisors (see below), whose sum is σ = 221333557266328. Its totient is φ = 221330868958080.

The previous prime is 221332213112137. The next prime is 221332213112233. The reversal of 221332213112203 is 302211312233122.

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 221332213112203 - 2³³ = 221323623177611 is a prime.

It is a super-2 number, since 2×221332213112203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221332213112233) 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, 671830038 + ... + 672159403.

It is an arithmetic number, because the mean of its divisors is an integer number (55333389316582).

Almost surely, 2^{221332213112203} is an apocalyptic number.

221332213112203 is a deficient number, since it is larger than the sum of its proper divisors (1344154125).

221332213112203 is a wasteful number, since it uses less digits than its factorization.

221332213112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344154124.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 221332213112203 its reverse (302211312233122), we get a palindrome (523543525345325).

The spelling of 221332213112203 in words is "two hundred twenty-one trillion, three hundred thirty-two billion, two hundred thirteen million, one hundred twelve thousand, two hundred three".