211404322101 has 16 divisors (see below), whose sum is σ = 322158299264. Its totient is φ = 120795577344.

The previous prime is 211404322079. The next prime is 211404322121. The reversal of 211404322101 is 101223404112.

It is not a de Polignac number, because 211404322101 - 2¹⁰ = 211404321077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404322121) 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, 101901 + ... + 658173.

It is an arithmetic number, because the mean of its divisors is an integer number (20134893704).

Almost surely, 2^211404322101 is an apocalyptic number.

211404322101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211404322101 is a deficient number, since it is larger than the sum of its proper divisors (110753977163).

211404322101 is a wasteful number, since it uses less digits than its factorization.

211404322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574380.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 211404322101 its reverse (101223404112), we get a palindrome (312627726213).

The spelling of 211404322101 in words is "two hundred eleven billion, four hundred four million, three hundred twenty-two thousand, one hundred one".