211423143240100 has 72 divisors (see below), whose sum is σ = 500570549121888. Its totient is φ = 76869728524800.

The previous prime is 211423143240037. The next prime is 211423143240103. The reversal of 211423143240100 is 1042341324112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211423143240103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6854022 + ... + 21675421.

It is an arithmetic number, because the mean of its divisors is an integer number (6952368737804).

Almost surely, 2^{211423143240100} is an apocalyptic number.

211423143240100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211423143240100 is an abundant number, since it is smaller than the sum of its proper divisors (289147405881788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211423143240100 is a wasteful number, since it uses less digits than its factorization.

211423143240100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536205 (or 28536198 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 211423143240100 its reverse (1042341324112), we get a palindrome (212465484564212).

The spelling of 211423143240100 in words is "two hundred eleven trillion, four hundred twenty-three billion, one hundred forty-three million, two hundred forty thousand, one hundred".