213102232203 has 12 divisors (see below), whose sum is σ = 330525911400. Its totient is φ = 121772704032.

The previous prime is 213102232171. The next prime is 213102232241. The reversal of 213102232203 is 302232201312.

It is a happy number.

It is not a de Polignac number, because 213102232203 - 2⁵ = 213102232171 is a prime.

It is a super-2 number, since 2×213102232203² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 213102232203.

It is not an unprimeable number, because it can be changed into a prime (213102233203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724837378 + ... + 724837671.

It is an arithmetic number, because the mean of its divisors is an integer number (27543825950).

Almost surely, 2^213102232203 is an apocalyptic number.

213102232203 is a deficient number, since it is larger than the sum of its proper divisors (117423679197).

213102232203 is a wasteful number, since it uses less digits than its factorization.

213102232203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449675066 (or 1449675059 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213102232203 its reverse (302232201312), we get a palindrome (515334433515).

The spelling of 213102232203 in words is "two hundred thirteen billion, one hundred two million, two hundred thirty-two thousand, two hundred three".