220010121211111 has 8 divisors (see below), whose sum is σ = 274298332938624. Its totient is φ = 171436458086520.

The previous prime is 220010121211073. The next prime is 220010121211121. The reversal of 220010121211111 is 111112121010022.

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

It is not a de Polignac number, because 220010121211111 - 2¹⁵ = 220010121178343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010121211121) 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, 1428637150645 + ... + 1428637150798.

It is an arithmetic number, because the mean of its divisors is an integer number (34287291617328).

Almost surely, 2^{220010121211111} is an apocalyptic number.

220010121211111 is a deficient number, since it is larger than the sum of its proper divisors (54288211727513).

220010121211111 is a wasteful number, since it uses less digits than its factorization.

220010121211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857274301461.

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

Adding to 220010121211111 its reverse (111112121010022), we get a palindrome (331122242221133).

The spelling of 220010121211111 in words is "two hundred twenty trillion, ten billion, one hundred twenty-one million, two hundred eleven thousand, one hundred eleven".