211131141243 has 16 divisors (see below), whose sum is σ = 307232838912. Its totient is φ = 127902852000.

The previous prime is 211131141217. The next prime is 211131141253. The reversal of 211131141243 is 342141131112.

It is not a de Polignac number, because 211131141243 - 2⁵ = 211131141211 is a prime.

It is a super-3 number, since 3×211131141243³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211131141253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307968 + ... + 1460493.

It is an arithmetic number, because the mean of its divisors is an integer number (19202052432).

Almost surely, 2^211131141243 is an apocalyptic number.

211131141243 is a deficient number, since it is larger than the sum of its proper divisors (96101697669).

211131141243 is a wasteful number, since it uses less digits than its factorization.

211131141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770786.

The product of its digits is 576, while the sum is 24.

Adding to 211131141243 its reverse (342141131112), we get a palindrome (553272272355).

The spelling of 211131141243 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred forty-one thousand, two hundred forty-three".