220121011222102 has 8 divisors (see below), whose sum is σ = 330270299182800. Its totient is φ = 110030911494504.

The previous prime is 220121011222097. The next prime is 220121011222111. The reversal of 220121011222102 is 201222110121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220121011222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14797048977 + ... + 14797063852.

It is an arithmetic number, because the mean of its divisors is an integer number (41283787397850).

Almost surely, 2^{220121011222102} is an apocalyptic number.

220121011222102 is a deficient number, since it is larger than the sum of its proper divisors (110149287960698).

220121011222102 is a wasteful number, since it uses less digits than its factorization.

220121011222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29594116550.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220121011222102 its reverse (201222110121022), we get a palindrome (421343121343124).

The spelling of 220121011222102 in words is "two hundred twenty trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, one hundred two".