211100331110331 has 32 divisors (see below), whose sum is σ = 322916266794240. Its totient is φ = 121587859569024.

The previous prime is 211100331110311. The next prime is 211100331110359. The reversal of 211100331110331 is 133011133001112.

It is not a de Polignac number, because 211100331110331 - 2⁹ = 211100331109819 is a prime.

It is a super-2 number, since 2×211100331110331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211100331110298 and 211100331110307.

It is not an unprimeable number, because it can be changed into a prime (211100331110311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1716117636 + ... + 1716240641.

It is an arithmetic number, because the mean of its divisors is an integer number (10091133337320).

Almost surely, 2^{211100331110331} is an apocalyptic number.

211100331110331 is a deficient number, since it is larger than the sum of its proper divisors (111815935683909).

211100331110331 is a wasteful number, since it uses less digits than its factorization.

211100331110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432358395.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 211100331110331 its reverse (133011133001112), we get a palindrome (344111464111443).

The spelling of 211100331110331 in words is "two hundred eleven trillion, one hundred billion, three hundred thirty-one million, one hundred ten thousand, three hundred thirty-one".