220220021121112 has 8 divisors (see below), whose sum is σ = 412912539602100. Its totient is φ = 110110010560552.

The previous prime is 220220021121071. The next prime is 220220021121119. The reversal of 220220021121112 is 211121120022022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 220220021121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220021121119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13763751320062 + ... + 13763751320077.

Almost surely, 2^{220220021121112} is an apocalyptic number.

It is an amenable number.

220220021121112 is a deficient number, since it is larger than the sum of its proper divisors (192692518480988).

220220021121112 is a wasteful number, since it uses less digits than its factorization.

220220021121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27527502640145 (or 27527502640141 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220220021121112 its reverse (211121120022022), we get a palindrome (431341141143134).

The spelling of 220220021121112 in words is "two hundred twenty trillion, two hundred twenty billion, twenty-one million, one hundred twenty-one thousand, one hundred twelve".