211141213454 has 16 divisors (see below), whose sum is σ = 331981539120. Its totient is φ = 100600463040.

The previous prime is 211141213453. The next prime is 211141213501. The reversal of 211141213454 is 454312141112.

It is a super-2 number, since 2×211141213454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211141213453) 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, 29937089 + ... + 29944140.

It is an arithmetic number, because the mean of its divisors is an integer number (20748846195).

Almost surely, 2^211141213454 is an apocalyptic number.

211141213454 is a deficient number, since it is larger than the sum of its proper divisors (120840325666).

211141213454 is a wasteful number, since it uses less digits than its factorization.

211141213454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59881315.

The product of its digits is 3840, while the sum is 29.

Adding to 211141213454 its reverse (454312141112), we get a palindrome (665453354566).

The spelling of 211141213454 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thirteen thousand, four hundred fifty-four".