211432420100 has 72 divisors (see below), whose sum is σ = 500657830848. Its totient is φ = 76863068800.

The previous prime is 211432420051. The next prime is 211432420139. The reversal of 211432420100 is 1024234112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4224422 + ... + 4274178.

It is an arithmetic number, because the mean of its divisors is an integer number (6953580984).

Almost surely, 2^211432420100 is an apocalyptic number.

211432420100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211432420100 is an abundant number, since it is smaller than the sum of its proper divisors (289225410748).

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

211432420100 is a wasteful number, since it uses less digits than its factorization.

211432420100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53645 (or 53638 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211432420100 its reverse (1024234112), we get a palindrome (212456654212).

The spelling of 211432420100 in words is "two hundred eleven billion, four hundred thirty-two million, four hundred twenty thousand, one hundred".