220010012211111 has 16 divisors (see below), whose sum is σ = 311319696701664. Its totient is φ = 137726686070784.

The previous prime is 220010012211089. The next prime is 220010012211149. The reversal of 220010012211111 is 111112210010022.

It is a happy number.

It is not a de Polignac number, because 220010012211111 - 2⁵ = 220010012211079 is a prime.

It is a super-2 number, since 2×220010012211111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010012215111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4981411876 + ... + 4981456041.

It is an arithmetic number, because the mean of its divisors is an integer number (19457481043854).

Almost surely, 2^{220010012211111} is an apocalyptic number.

220010012211111 is a deficient number, since it is larger than the sum of its proper divisors (91309684490553).

220010012211111 is a wasteful number, since it uses less digits than its factorization.

220010012211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9962868370.

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

Adding to 220010012211111 its reverse (111112210010022), we get a palindrome (331122222221133).

The spelling of 220010012211111 in words is "two hundred twenty trillion, ten billion, twelve million, two hundred eleven thousand, one hundred eleven".