2231203322106 has 40 divisors (see below), whose sum is σ = 5454052569504. Its totient is φ = 676122218280.

The previous prime is 2231203322071. The next prime is 2231203322177. The reversal of 2231203322106 is 6012233021322.

2231203322106 is a `hidden beast` number, since 2 + 2 + 31 + 203 + 322 + 106 = 666.

It is a super-3 number, since 3×2231203322106³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2231203322106.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 626037310 + ... + 626040873.

Almost surely, 2^{2231203322106} is an apocalyptic number.

2231203322106 is an abundant number, since it is smaller than the sum of its proper divisors (3222849247398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231203322106 is a wasteful number, since it uses less digits than its factorization.

2231203322106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252078208 (or 1252078199 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2231203322106 its reverse (6012233021322), we get a palindrome (8243436343428).

The spelling of 2231203322106 in words is "two trillion, two hundred thirty-one billion, two hundred three million, three hundred twenty-two thousand, one hundred six".