20020101101 has 48 divisors (see below), whose sum is σ = 27265400064. Its totient is φ = 14303520000.

The previous prime is 20020101097. The next prime is 20020101107. The reversal of 20020101101 is 10110102002.

It is not a de Polignac number, because 20020101101 - 2² = 20020101097 is a prime.

It is a super-2 number, since 2×20020101101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020101107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1656641 + ... + 1668681.

It is an arithmetic number, because the mean of its divisors is an integer number (568029168).

Almost surely, 2^20020101101 is an apocalyptic number.

It is an amenable number.

20020101101 is a deficient number, since it is larger than the sum of its proper divisors (7245298963).

20020101101 is a wasteful number, since it uses less digits than its factorization.

20020101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12234 (or 12223 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20020101101 its reverse (10110102002), we get a palindrome (30130203103).

Subtracting from 20020101101 its reverse (10110102002), we obtain a palindrome (9909999099).

It can be divided in two parts, 20020 and 101101, that added together give a palindrome (121121).

The spelling of 20020101101 in words is "twenty billion, twenty million, one hundred one thousand, one hundred one".