20200120012101 has 32 divisors (see below), whose sum is σ = 28716582931200. Its totient is φ = 12586288157696.

The previous prime is 20200120012099. The next prime is 20200120012117. The reversal of 20200120012101 is 10121002100202.

It is a cyclic number.

It is not a de Polignac number, because 20200120012101 - 2¹ = 20200120012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200120014101) 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, 29425960 + ... + 30104606.

It is an arithmetic number, because the mean of its divisors is an integer number (897393216600).

Almost surely, 2^{20200120012101} is an apocalyptic number.

It is an amenable number.

20200120012101 is a deficient number, since it is larger than the sum of its proper divisors (8516462919099).

20200120012101 is a wasteful number, since it uses less digits than its factorization.

20200120012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682733.

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

Adding to 20200120012101 its reverse (10121002100202), we get a palindrome (30321122112303).

The spelling of 20200120012101 in words is "twenty trillion, two hundred billion, one hundred twenty million, twelve thousand, one hundred one".