20001101000022 has 48 divisors (see below), whose sum is σ = 44714021107392. Its totient is φ = 6457911943680.

The previous prime is 20001100999991. The next prime is 20001101000029. The reversal of 20001101000022 is 22000010110002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20001100999968 and 20001101000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001101000029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121783729 + ... + 121947852.

It is an arithmetic number, because the mean of its divisors is an integer number (931542106404).

Almost surely, 2^{20001101000022} is an apocalyptic number.

20001101000022 is an abundant number, since it is smaller than the sum of its proper divisors (24712920107370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001101000022 is a wasteful number, since it uses less digits than its factorization.

20001101000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243731733 (or 243731730 counting only the distinct ones).

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

Adding to 20001101000022 its reverse (22000010110002), we get a palindrome (42001111110024).

The spelling of 20001101000022 in words is "twenty trillion, one billion, one hundred one million, twenty-two", and thus it is an aban number.