220121121202010 has 32 divisors (see below), whose sum is σ = 452821254498432. Its totient is φ = 75469988312640.

The previous prime is 220121121201997. The next prime is 220121121202061. The reversal of 220121121202010 is 10202121121022.

It is a self number, because there is not a number n which added to its sum of digits gives 220121121202010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56599745 + ... + 60363675.

It is an arithmetic number, because the mean of its divisors is an integer number (14150664203076).

Almost surely, 2^{220121121202010} is an apocalyptic number.

220121121202010 is an abundant number, since it is smaller than the sum of its proper divisors (232700133296422).

220121121202010 is a wasteful number, since it uses less digits than its factorization.

220121121202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220121121202010 its reverse (10202121121022), we get a palindrome (230323242323032).

The spelling of 220121121202010 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, ten".