220011020111 has 4 divisors (see below), whose sum is σ = 227108149824. Its totient is φ = 212913890400.

The previous prime is 220011020101. The next prime is 220011020113. The reversal of 220011020111 is 111020110022.

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 220011020111 - 2¹⁰ = 220011019087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220011020092 and 220011020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011020113) 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, 3548564810 + ... + 3548564871.

It is an arithmetic number, because the mean of its divisors is an integer number (56777037456).

Almost surely, 2^220011020111 is an apocalyptic number.

220011020111 is a deficient number, since it is larger than the sum of its proper divisors (7097129713).

220011020111 is an equidigital number, since it uses as much as digits as its factorization.

220011020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097129712.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220011020111 its reverse (111020110022), we get a palindrome (331031130133).

The spelling of 220011020111 in words is "two hundred twenty billion, eleven million, twenty thousand, one hundred eleven".