211213331033131 has 8 divisors (see below), whose sum is σ = 241386763288320. Its totient is φ = 181039923590568.

The previous prime is 211213331033083. The next prime is 211213331033161. The reversal of 211213331033131 is 131330133312112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211213331033131 - 2²¹ = 211213328935979 is a prime.

It is a super-2 number, since 2×211213331033131² (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 211213331033131.

It is not an unprimeable number, because it can be changed into a prime (211213331033161) 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, 18705690 + ... + 27790816.

It is an arithmetic number, because the mean of its divisors is an integer number (30173345411040).

Almost surely, 2^{211213331033131} is an apocalyptic number.

211213331033131 is a deficient number, since it is larger than the sum of its proper divisors (30173432255189).

211213331033131 is an equidigital number, since it uses as much as digits as its factorization.

211213331033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12406313.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 211213331033131 its reverse (131330133312112), we get a palindrome (342543464345243).

The spelling of 211213331033131 in words is "two hundred eleven trillion, two hundred thirteen billion, three hundred thirty-one million, thirty-three thousand, one hundred thirty-one".