220002021101042 has 16 divisors (see below), whose sum is σ = 330087795398232. Its totient is φ = 109972756650240.

The previous prime is 220002021101041. The next prime is 220002021101111. The reversal of 220002021101042 is 240101120200022.

It can be written as a sum of positive squares in 4 ways, for example, as 155814828421561 + 64187192679481 = 12482581^2 + 8011691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220002021101042.

It is not an unprimeable number, because it can be changed into a prime (220002021101041) by changing a digit.

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, 1062087242 + ... + 1062294362.

Almost surely, 2^{220002021101042} is an apocalyptic number.

220002021101042 is a deficient number, since it is larger than the sum of its proper divisors (110085774297190).

220002021101042 is a wasteful number, since it uses less digits than its factorization.

220002021101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340973.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220002021101042 its reverse (240101120200022), we get a palindrome (460103141301064).

The spelling of 220002021101042 in words is "two hundred twenty trillion, two billion, twenty-one million, one hundred one thousand, forty-two".