220210021100 has 36 divisors (see below), whose sum is σ = 483224931000. Its totient is φ = 87094296960.

The previous prime is 220210021099. The next prime is 220210021123. The reversal of 220210021100 is 1120012022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12362450 + ... + 12380249.

It is an arithmetic number, because the mean of its divisors is an integer number (13422914750).

Almost surely, 2^220210021100 is an apocalyptic number.

220210021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210021100 is an abundant number, since it is smaller than the sum of its proper divisors (263014909900).

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

220210021100 is a wasteful number, since it uses less digits than its factorization.

220210021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24742802 (or 24742795 counting only the distinct ones).

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

Adding to 220210021100 its reverse (1120012022), we get a palindrome (221330033122).

The spelling of 220210021100 in words is "two hundred twenty billion, two hundred ten million, twenty-one thousand, one hundred".