211020010220 has 48 divisors (see below), whose sum is σ = 449669683008. Its totient is φ = 83166155520.

The previous prime is 211020010211. The next prime is 211020010249. The reversal of 211020010220 is 22010020112.

It is a happy number.

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, 2221214 + ... + 2314266.

It is an arithmetic number, because the mean of its divisors is an integer number (9368118396).

Almost surely, 2^211020010220 is an apocalyptic number.

211020010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211020010220 is an abundant number, since it is smaller than the sum of its proper divisors (238649672788).

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

211020010220 is a wasteful number, since it uses less digits than its factorization.

211020010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94730 (or 94728 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 211020010220 its reverse (22010020112), we get a palindrome (233030030332).

The spelling of 211020010220 in words is "two hundred eleven billion, twenty million, ten thousand, two hundred twenty".