220020001101 has 12 divisors (see below), whose sum is σ = 318046178112. Its totient is φ = 146569457736.

The previous prime is 220020001063. The next prime is 220020001111. The reversal of 220020001101 is 101100020022.

It is not a de Polignac number, because 220020001101 - 2¹⁰ = 220020000077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020001111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9199311 + ... + 9223196.

It is an arithmetic number, because the mean of its divisors is an integer number (26503848176).

Almost surely, 2^220020001101 is an apocalyptic number.

It is an amenable number.

220020001101 is a deficient number, since it is larger than the sum of its proper divisors (98026177011).

220020001101 is a wasteful number, since it uses less digits than its factorization.

220020001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18423840 (or 18423837 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220020001101 its reverse (101100020022), we get a palindrome (321120021123).

The spelling of 220020001101 in words is "two hundred twenty billion, twenty million, one thousand, one hundred one".