212133103003331 has 4 divisors (see below), whose sum is σ = 212178732843000. Its totient is φ = 212087473163664.

The previous prime is 212133103003307. The next prime is 212133103003351. The reversal of 212133103003331 is 133300301331212.

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 212133103003331 - 2⁶ = 212133103003267 is a prime.

It is a super-2 number, since 2×212133103003331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212133103003331.

It is not an unprimeable number, because it can be changed into a prime (212133103003351) 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, 22814912861 + ... + 22814922158.

It is an arithmetic number, because the mean of its divisors is an integer number (53044683210750).

Almost surely, 2^{212133103003331} is an apocalyptic number.

212133103003331 is a deficient number, since it is larger than the sum of its proper divisors (45629839669).

212133103003331 is an equidigital number, since it uses as much as digits as its factorization.

212133103003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45629839668.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 212133103003331 its reverse (133300301331212), we get a palindrome (345433404334543).

The spelling of 212133103003331 in words is "two hundred twelve trillion, one hundred thirty-three billion, one hundred three million, three thousand, three hundred thirty-one".