211142044431123 has 8 divisors (see below), whose sum is σ = 303178320208848. Its totient is φ = 129933565803744.

The previous prime is 211142044431103. The next prime is 211142044431167. The reversal of 211142044431123 is 321134440241112.

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

It is not a de Polignac number, because 211142044431123 - 2¹³ = 211142044422931 is a prime.

It is a super-2 number, since 2×211142044431123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211142044431103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706949287540 + ... + 2706949287617.

It is an arithmetic number, because the mean of its divisors is an integer number (37897290026106).

Almost surely, 2^{211142044431123} is an apocalyptic number.

211142044431123 is a deficient number, since it is larger than the sum of its proper divisors (92036275777725).

211142044431123 is a wasteful number, since it uses less digits than its factorization.

211142044431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413898575173.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 211142044431123 its reverse (321134440241112), we get a palindrome (532276484672235).

The spelling of 211142044431123 in words is "two hundred eleven trillion, one hundred forty-two billion, forty-four million, four hundred thirty-one thousand, one hundred twenty-three".