211404000022 has 4 divisors (see below), whose sum is σ = 317106000036. Its totient is φ = 105702000010.

The previous prime is 211403999981. The next prime is 211404000029. The reversal of 211404000022 is 220000404112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404000029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52851000004 + ... + 52851000007.

It is an arithmetic number, because the mean of its divisors is an integer number (79276500009).

Almost surely, 2^211404000022 is an apocalyptic number.

211404000022 is a deficient number, since it is larger than the sum of its proper divisors (105702000014).

211404000022 is a wasteful number, since it uses less digits than its factorization.

211404000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105702000013.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 211404000022 its reverse (220000404112), we get a palindrome (431404404134).

The spelling of 211404000022 in words is "two hundred eleven billion, four hundred four million, twenty-two", and thus it is an aban number.