220001021102 has 4 divisors (see below), whose sum is σ = 330001531656. Its totient is φ = 110000510550.

The previous prime is 220001021099. The next prime is 220001021111. The reversal of 220001021102 is 201120100022.

It is a happy number.

220001021102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000255274 + ... + 55000255277.

It is an arithmetic number, because the mean of its divisors is an integer number (82500382914).

Almost surely, 2^220001021102 is an apocalyptic number.

220001021102 is a deficient number, since it is larger than the sum of its proper divisors (110000510554).

220001021102 is a wasteful number, since it uses less digits than its factorization.

220001021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110000510553.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220001021102 its reverse (201120100022), we get a palindrome (421121121124).

The spelling of 220001021102 in words is "two hundred twenty billion, one million, twenty-one thousand, one hundred two".