220001102002 has 16 divisors (see below), whose sum is σ = 371614765824. Its totient is φ = 96774678000.

The previous prime is 220001101949. The next prime is 220001102003. The reversal of 220001102002 is 200201100022.

It is a self number, because there is not a number n which added to its sum of digits gives 220001102002.

It is not an unprimeable number, because it can be changed into a prime (220001102003) 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, 161290449 + ... + 161291812.

It is an arithmetic number, because the mean of its divisors is an integer number (23225922864).

Almost surely, 2^220001102002 is an apocalyptic number.

220001102002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220001102002 is a deficient number, since it is larger than the sum of its proper divisors (151613663822).

220001102002 is a wasteful number, since it uses less digits than its factorization.

220001102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322582305.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220001102002 its reverse (200201100022), we get a palindrome (420202202024).

It can be divided in two parts, 220001 and 102002, that added together give a triangular number (322003 = T₈₀₂).

The spelling of 220001102002 in words is "two hundred twenty billion, one million, one hundred two thousand, two".