220021102021102 has 16 divisors (see below), whose sum is σ = 331699870101600. Its totient is φ = 109454511209472.

The previous prime is 220021102021069. The next prime is 220021102021159. The reversal of 220021102021102 is 201120201120022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5423358 + ... + 21666910.

It is an arithmetic number, because the mean of its divisors is an integer number (20731241881350).

Almost surely, 2^{220021102021102} is an apocalyptic number.

220021102021102 is a deficient number, since it is larger than the sum of its proper divisors (111678768080498).

220021102021102 is a wasteful number, since it uses less digits than its factorization.

220021102021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16277787.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220021102021102 its reverse (201120201120022), we get a palindrome (421141303141124).

The spelling of 220021102021102 in words is "two hundred twenty trillion, twenty-one billion, one hundred two million, twenty-one thousand, one hundred two".