211011221323131 has 32 divisors (see below), whose sum is σ = 296673157267200. Its totient is φ = 133037646520320.

The previous prime is 211011221323109. The next prime is 211011221323151. The reversal of 211011221323131 is 131323122110112.

It is not a de Polignac number, because 211011221323131 - 2¹⁴ = 211011221306747 is a prime.

It is a super-2 number, since 2×211011221323131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211011221323151) 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, 197387860 + ... + 198453998.

It is an arithmetic number, because the mean of its divisors is an integer number (9271036164600).

Almost surely, 2^{211011221323131} is an apocalyptic number.

211011221323131 is a deficient number, since it is larger than the sum of its proper divisors (85661935944069).

211011221323131 is a wasteful number, since it uses less digits than its factorization.

211011221323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072219.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 211011221323131 its reverse (131323122110112), we get a palindrome (342334343433243).

The spelling of 211011221323131 in words is "two hundred eleven trillion, eleven billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty-one".