220212020221100 has 72 divisors (see below), whose sum is σ = 505978145013600. Its totient is φ = 82901932395520.

The previous prime is 220212020221091. The next prime is 220212020221339. The reversal of 220212020221100 is 1122020212022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101207426 + ... + 103360374.

It is an arithmetic number, because the mean of its divisors is an integer number (7027474236300).

Almost surely, 2^{220212020221100} is an apocalyptic number.

220212020221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212020221100 is an abundant number, since it is smaller than the sum of its proper divisors (285766124792500).

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

220212020221100 is a wasteful number, since it uses less digits than its factorization.

220212020221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213147 (or 2213140 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220212020221100 its reverse (1122020212022), we get a palindrome (221334040433122).

The spelling of 220212020221100 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred twenty-one thousand, one hundred".