211326021004 has 48 divisors (see below), whose sum is σ = 457921271808. Its totient is φ = 83258396928.

The previous prime is 211326020963. The next prime is 211326021029. The reversal of 211326021004 is 400120623112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5141884 + ... + 5182819.

It is an arithmetic number, because the mean of its divisors is an integer number (9540026496).

Almost surely, 2^211326021004 is an apocalyptic number.

It is an amenable number.

211326021004 is an abundant number, since it is smaller than the sum of its proper divisors (246595250804).

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

211326021004 is a wasteful number, since it uses less digits than its factorization.

211326021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10324774 (or 10324772 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211326021004 its reverse (400120623112), we get a palindrome (611446644116).

The spelling of 211326021004 in words is "two hundred eleven billion, three hundred twenty-six million, twenty-one thousand, four".