211011001131 has 32 divisors (see below), whose sum is σ = 324410093568. Its totient is φ = 119504005920.

The previous prime is 211011001121. The next prime is 211011001163. The reversal of 211011001131 is 131100110112.

It is not a de Polignac number, because 211011001131 - 2⁹ = 211011000619 is a prime.

It is a super-2 number, since 2×211011001131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211011001111) 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, 2116306 + ... + 2213768.

It is an arithmetic number, because the mean of its divisors is an integer number (10137815424).

Almost surely, 2^211011001131 is an apocalyptic number.

211011001131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211011001131 is a deficient number, since it is larger than the sum of its proper divisors (113399092437).

211011001131 is a wasteful number, since it uses less digits than its factorization.

211011001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98391.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 211011001131 its reverse (131100110112), we get a palindrome (342111111243).

The spelling of 211011001131 in words is "two hundred eleven billion, eleven million, one thousand, one hundred thirty-one".