220022121121012 has 144 divisors (see below), whose sum is σ = 480504927288960. Its totient is φ = 86239855505664.

The previous prime is 220022121121003. The next prime is 220022121121073. The reversal of 220022121121012 is 210121121220022.

220022121121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2273776543 + ... + 2273873305.

It is an arithmetic number, because the mean of its divisors is an integer number (3336839772840).

Almost surely, 2^{220022121121012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220022121121012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240252463644480).

220022121121012 is an abundant number, since it is smaller than the sum of its proper divisors (260482806167948).

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

220022121121012 is a wasteful number, since it uses less digits than its factorization.

220022121121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104598 (or 104577 counting only the distinct ones).

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

Adding to 220022121121012 its reverse (210121121220022), we get a palindrome (430143242341034).

The spelling of 220022121121012 in words is "two hundred twenty trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, twelve".