20211200012101 has 16 divisors (see below), whose sum is σ = 23118342306048. Its totient is φ = 17309017152000.

The previous prime is 20211200012093. The next prime is 20211200012119. The reversal of 20211200012101 is 10121000211202.

It is not a de Polignac number, because 20211200012101 - 2³ = 20211200012093 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 (20211200012161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106447551 + ... + 106637251.

It is an arithmetic number, because the mean of its divisors is an integer number (1444896394128).

Almost surely, 2^{20211200012101} is an apocalyptic number.

It is an amenable number.

20211200012101 is a deficient number, since it is larger than the sum of its proper divisors (2907142293947).

20211200012101 is a wasteful number, since it uses less digits than its factorization.

20211200012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202692.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211200012101 its reverse (10121000211202), we get a palindrome (30332200223303).

The spelling of 20211200012101 in words is "twenty trillion, two hundred eleven billion, two hundred million, twelve thousand, one hundred one".