20002002211101 has 24 divisors (see below), whose sum is σ = 28485980782560. Its totient is φ = 12480640511904.

The previous prime is 20002002211039. The next prime is 20002002211109. The reversal of 20002002211101 is 10111220020002.

It is not a de Polignac number, because 20002002211101 - 2²² = 20001998016797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002002211109) 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, 111169566 + ... + 111349343.

It is an arithmetic number, because the mean of its divisors is an integer number (1186915865940).

Almost surely, 2^{20002002211101} is an apocalyptic number.

It is an amenable number.

20002002211101 is a deficient number, since it is larger than the sum of its proper divisors (8483978571459).

20002002211101 is a wasteful number, since it uses less digits than its factorization.

20002002211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222519033 (or 222519014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20002002211101 its reverse (10111220020002), we get a palindrome (30113222231103).

The spelling of 20002002211101 in words is "twenty trillion, two billion, two million, two hundred eleven thousand, one hundred one".