220101120011 has 4 divisors (see below), whose sum is σ = 220116663792. Its totient is φ = 220085576232.

The previous prime is 220101120007. The next prime is 220101120017. The reversal of 220101120011 is 110021101022.

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 220101120011 - 2² = 220101120007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220101119974 and 220101120001.

It is not an unprimeable number, because it can be changed into a prime (220101120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7750631 + ... + 7778976.

It is an arithmetic number, because the mean of its divisors is an integer number (55029165948).

Almost surely, 2^220101120011 is an apocalyptic number.

220101120011 is a deficient number, since it is larger than the sum of its proper divisors (15543781).

220101120011 is a wasteful number, since it uses less digits than its factorization.

220101120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15543780.

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

Adding to 220101120011 its reverse (110021101022), we get a palindrome (330122221033).

The spelling of 220101120011 in words is "two hundred twenty billion, one hundred one million, one hundred twenty thousand, eleven".