211211134891131 has 8 divisors (see below), whose sum is σ = 282283765398544. Its totient is φ = 140472963822240.

The previous prime is 211211134891129. The next prime is 211211134891157. The reversal of 211211134891131 is 131198431112112.

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

It is not a de Polignac number, because 211211134891131 - 2¹ = 211211134891129 is a prime.

It is a super-2 number, since 2×211211134891131² (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 211211134891131.

It is not an unprimeable number, because it can be changed into a prime (211211134891531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83614858156 + ... + 83614860681.

It is an arithmetic number, because the mean of its divisors is an integer number (35285470674818).

Almost surely, 2^{211211134891131} is an apocalyptic number.

211211134891131 is a deficient number, since it is larger than the sum of its proper divisors (71072630507413).

211211134891131 is a wasteful number, since it uses less digits than its factorization.

211211134891131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167229719261.

The product of its digits is 10368, while the sum is 39.

The spelling of 211211134891131 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred thirty-four million, eight hundred ninety-one thousand, one hundred thirty-one".