220212213100 has 36 divisors (see below), whose sum is σ = 521302368888. Its totient is φ = 80077168000.

The previous prime is 220212213071. The next prime is 220212213113. The reversal of 220212213100 is 1312212022.

It is a happy number.

It is a super-2 number, since 2×220212213100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100095361 + ... + 100097560.

It is an arithmetic number, because the mean of its divisors is an integer number (14480621358).

Almost surely, 2^220212213100 is an apocalyptic number.

220212213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212213100 is an abundant number, since it is smaller than the sum of its proper divisors (301090155788).

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

220212213100 is a wasteful number, since it uses less digits than its factorization.

220212213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200192946 (or 200192939 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220212213100 its reverse (1312212022), we get a palindrome (221524425122).

The spelling of 220212213100 in words is "two hundred twenty billion, two hundred twelve million, two hundred thirteen thousand, one hundred".