220010121021111 has 8 divisors (see below), whose sum is σ = 293347769006064. Its totient is φ = 146672943525120.

The previous prime is 220010121021083. The next prime is 220010121021161. The reversal of 220010121021111 is 111120121010022.

It is a happy number.

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

It is not a de Polignac number, because 220010121021111 - 2⁷ = 220010121020983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010121021161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116529676 + ... + 118402641.

It is an arithmetic number, because the mean of its divisors is an integer number (36668471125758).

Almost surely, 2^{220010121021111} is an apocalyptic number.

220010121021111 is a deficient number, since it is larger than the sum of its proper divisors (73337647984953).

220010121021111 is a wasteful number, since it uses less digits than its factorization.

220010121021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235244481.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220010121021111 its reverse (111120121010022), we get a palindrome (331130242031133).

The spelling of 220010121021111 in words is "two hundred twenty trillion, ten billion, one hundred twenty-one million, twenty-one thousand, one hundred eleven".