220210011101111 has 24 divisors (see below), whose sum is σ = 241899146711280. Its totient is φ = 200190471836544.

The previous prime is 220210011101077. The next prime is 220210011101123. The reversal of 220210011101111 is 111101110012022.

It is not a de Polignac number, because 220210011101111 - 2³⁸ = 219935133194167 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 (220210041101111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62816510 + ... + 66229403.

It is an arithmetic number, because the mean of its divisors is an integer number (10079131112970).

Almost surely, 2^{220210011101111} is an apocalyptic number.

220210011101111 is a deficient number, since it is larger than the sum of its proper divisors (21689135610169).

220210011101111 is a wasteful number, since it uses less digits than its factorization.

220210011101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129046143 (or 129046124 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 220210011101111 its reverse (111101110012022), we get a palindrome (331311121113133).

The spelling of 220210011101111 in words is "two hundred twenty trillion, two hundred ten billion, eleven million, one hundred one thousand, one hundred eleven".