211303302220 has 48 divisors (see below), whose sum is σ = 455839318368. Its totient is φ = 82217203200.

The previous prime is 211303302211. The next prime is 211303302229. The reversal of 211303302220 is 22203303112.

211303302220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211303302211) and next prime (211303302229).

It is not an unprimeable number, because it can be changed into a prime (211303302229) 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, 3261664 + ... + 3325816.

It is an arithmetic number, because the mean of its divisors is an integer number (9496652466).

Almost surely, 2^211303302220 is an apocalyptic number.

211303302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211303302220 is an abundant number, since it is smaller than the sum of its proper divisors (244536016148).

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

211303302220 is a wasteful number, since it uses less digits than its factorization.

211303302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68650 (or 68648 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 211303302220 its reverse (22203303112), we get a palindrome (233506605332).

The spelling of 211303302220 in words is "two hundred eleven billion, three hundred three million, three hundred two thousand, two hundred twenty".