210021133004 has 12 divisors (see below), whose sum is σ = 367856310528. Its totient is φ = 104919330000.

The previous prime is 210021132991. The next prime is 210021133009. The reversal of 210021133004 is 400331120012.

It is a super-3 number, since 3×210021133004³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (210021133009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22803947 + ... + 22813154.

It is an arithmetic number, because the mean of its divisors is an integer number (30654692544).

Almost surely, 2^210021133004 is an apocalyptic number.

It is an amenable number.

210021133004 is a deficient number, since it is larger than the sum of its proper divisors (157835177524).

210021133004 is a wasteful number, since it uses less digits than its factorization.

210021133004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45618256 (or 45618254 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210021133004 its reverse (400331120012), we get a palindrome (610352253016).

The spelling of 210021133004 in words is "two hundred ten billion, twenty-one million, one hundred thirty-three thousand, four".