220001220102 has 16 divisors (see below), whose sum is σ = 444358901232. Its totient is φ = 72607663200.

The previous prime is 220001220073. The next prime is 220001220107. The reversal of 220001220102 is 201022100022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001220107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181518553 + ... + 181519764.

It is an arithmetic number, because the mean of its divisors is an integer number (27772431327).

Almost surely, 2^220001220102 is an apocalyptic number.

220001220102 is an abundant number, since it is smaller than the sum of its proper divisors (224357681130).

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

220001220102 is a wasteful number, since it uses less digits than its factorization.

220001220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363038423.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220001220102 its reverse (201022100022), we get a palindrome (421023320124).

The spelling of 220001220102 in words is "two hundred twenty billion, one million, two hundred twenty thousand, one hundred two".