220001001102 has 56 divisors (see below), whose sum is σ = 520816817160. Its totient is φ = 69473991600.

The previous prime is 220001001071. The next prime is 220001001107. The reversal of 220001001102 is 201100100022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001001107) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3943149 + ... + 3998552.

Almost surely, 2^220001001102 is an apocalyptic number.

220001001102 is an abundant number, since it is smaller than the sum of its proper divisors (300815816058).

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

220001001102 is an equidigital number, since it uses as much as digits as its factorization.

220001001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941740 (or 7941725 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220001001102 its reverse (201100100022), we get a palindrome (421101101124).

The spelling of 220001001102 in words is "two hundred twenty billion, one million, one thousand, one hundred two".