20010020001101 has 32 divisors (see below), whose sum is σ = 22060442880000. Its totient is φ = 18038758203648.

The previous prime is 20010020001077. The next prime is 20010020001107. The reversal of 20010020001101 is 10110002001002.

It is a de Polignac number, because none of the positive numbers 2^k-20010020001101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010020001107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36298931 + ... + 36846063.

It is an arithmetic number, because the mean of its divisors is an integer number (689388840000).

Almost surely, 2^{20010020001101} is an apocalyptic number.

It is an amenable number.

20010020001101 is a deficient number, since it is larger than the sum of its proper divisors (2050422878899).

20010020001101 is a wasteful number, since it uses less digits than its factorization.

20010020001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547613.

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

Adding to 20010020001101 its reverse (10110002001002), we get a palindrome (30120022002103).

The spelling of 20010020001101 in words is "twenty trillion, ten billion, twenty million, one thousand, one hundred one".