211342412223231 has 16 divisors (see below), whose sum is σ = 285359642227200. Its totient is φ = 139110096835008.

The previous prime is 211342412223191. The next prime is 211342412223253. The reversal of 211342412223231 is 132322214243112.

It is not a de Polignac number, because 211342412223231 - 2⁶ = 211342412223167 is a prime.

It is a super-2 number, since 2×211342412223231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211342412223192 and 211342412223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211342412223031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20131540 + ... + 28774358.

It is an arithmetic number, because the mean of its divisors is an integer number (17834977639200).

Almost surely, 2^{211342412223231} is an apocalyptic number.

211342412223231 is a deficient number, since it is larger than the sum of its proper divisors (74017230003969).

211342412223231 is a wasteful number, since it uses less digits than its factorization.

211342412223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746078.

The product of its digits is 27648, while the sum is 33.

Adding to 211342412223231 its reverse (132322214243112), we get a palindrome (343664626466343).

The spelling of 211342412223231 in words is "two hundred eleven trillion, three hundred forty-two billion, four hundred twelve million, two hundred twenty-three thousand, two hundred thirty-one".