220101112101011 has 4 divisors (see below), whose sum is σ = 225219742615032. Its totient is φ = 214982481586992.

The previous prime is 220101112100983. The next prime is 220101112101019. The reversal of 220101112101011 is 110101211101022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220101112101011 - 2³⁸ = 219826234194067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101112101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559315256946 + ... + 2559315257031.

It is an arithmetic number, because the mean of its divisors is an integer number (56304935653758).

Almost surely, 2^{220101112101011} is an apocalyptic number.

220101112101011 is a deficient number, since it is larger than the sum of its proper divisors (5118630514021).

220101112101011 is an equidigital number, since it uses as much as digits as its factorization.

220101112101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118630514020.

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

Adding to 220101112101011 its reverse (110101211101022), we get a palindrome (330202323202033).

The spelling of 220101112101011 in words is "two hundred twenty trillion, one hundred one billion, one hundred twelve million, one hundred one thousand, eleven".