211020221002 has 32 divisors (see below), whose sum is σ = 321799265280. Its totient is φ = 103765175280.

The previous prime is 211020220967. The next prime is 211020221003. The reversal of 211020221002 is 200122020112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211020221003) 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, 48363673 + ... + 48368035.

It is an arithmetic number, because the mean of its divisors is an integer number (10056227040).

Almost surely, 2^211020221002 is an apocalyptic number.

211020221002 is a deficient number, since it is larger than the sum of its proper divisors (110779044278).

211020221002 is a wasteful number, since it uses less digits than its factorization.

211020221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211020221002 its reverse (200122020112), we get a palindrome (411142241114).

The spelling of 211020221002 in words is "two hundred eleven billion, twenty million, two hundred twenty-one thousand, two".