20020001101111 has 8 divisors (see below), whose sum is σ = 21841929133200. Its totient is φ = 18198394391040.

The previous prime is 20020001101091. The next prime is 20020001101127. The reversal of 20020001101111 is 11110110002002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20020001101111 - 2³³ = 20011411166519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020001101511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80200216 + ... + 80449453.

It is an arithmetic number, because the mean of its divisors is an integer number (2730241141650).

Almost surely, 2^{20020001101111} is an apocalyptic number.

20020001101111 is a deficient number, since it is larger than the sum of its proper divisors (1821928032089).

20020001101111 is a wasteful number, since it uses less digits than its factorization.

20020001101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160661009.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20020001101111 its reverse (11110110002002), we get a palindrome (31130111103113).

The spelling of 20020001101111 in words is "twenty trillion, twenty billion, one million, one hundred one thousand, one hundred eleven".