20012101011101 has 8 divisors (see below), whose sum is σ = 20562135191808. Its totient is φ = 19465016076000.

The previous prime is 20012101011083. The next prime is 20012101011103. The reversal of 20012101011101 is 10111010121002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20012101011101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012101011103) 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, 737297645 + ... + 737324786.

It is an arithmetic number, because the mean of its divisors is an integer number (2570266898976).

Almost surely, 2^{20012101011101} is an apocalyptic number.

It is an amenable number.

20012101011101 is a deficient number, since it is larger than the sum of its proper divisors (550034180707).

20012101011101 is a wasteful number, since it uses less digits than its factorization.

20012101011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474622803.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20012101011101 its reverse (10111010121002), we get a palindrome (30123111132103).

The spelling of 20012101011101 in words is "twenty trillion, twelve billion, one hundred one million, eleven thousand, one hundred one".