220121221011110 has 8 divisors (see below), whose sum is σ = 396218197820016. Its totient is φ = 88048488404440.

The previous prime is 220121221011077. The next prime is 220121221011121. The reversal of 220121221011110 is 11110122121022.

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

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, 11006061050546 + ... + 11006061050565.

It is an arithmetic number, because the mean of its divisors is an integer number (49527274727502).

Almost surely, 2^{220121221011110} is an apocalyptic number.

220121221011110 is a deficient number, since it is larger than the sum of its proper divisors (176096976808906).

220121221011110 is a wasteful number, since it uses less digits than its factorization.

220121221011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012122101118.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220121221011110 its reverse (11110122121022), we get a palindrome (231231343132132).

The spelling of 220121221011110 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred twenty-one million, eleven thousand, one hundred ten".