20012201011101 has 16 divisors (see below), whose sum is σ = 28738844076096. Its totient is φ = 12313753783296.

The previous prime is 20012201011087. The next prime is 20012201011111. The reversal of 20012201011101 is 10111010221002.

It is not a de Polignac number, because 20012201011101 - 2⁵ = 20012201011069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012201011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29806215 + ... + 30470228.

It is an arithmetic number, because the mean of its divisors is an integer number (1796177754756).

Almost surely, 2^{20012201011101} is an apocalyptic number.

It is an amenable number.

20012201011101 is a deficient number, since it is larger than the sum of its proper divisors (8726643064995).

20012201011101 is a wasteful number, since it uses less digits than its factorization.

20012201011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60284972.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20012201011101 its reverse (10111010221002), we get a palindrome (30123211232103).

The spelling of 20012201011101 in words is "twenty trillion, twelve billion, two hundred one million, eleven thousand, one hundred one".