20211200201101 has 16 divisors (see below), whose sum is σ = 25733093097600. Its totient is φ = 15439855854528.

The previous prime is 20211200201083. The next prime is 20211200201111. The reversal of 20211200201101 is 10110200211202.

It is not a de Polignac number, because 20211200201101 - 2³⁵ = 20176840462733 is a prime.

It is a super-2 number, since 2×20211200201101² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211200201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3829326691 + ... + 3829331968.

It is an arithmetic number, because the mean of its divisors is an integer number (1608318318600).

Almost surely, 2^{20211200201101} is an apocalyptic number.

It is an amenable number.

20211200201101 is a deficient number, since it is larger than the sum of its proper divisors (5521892896499).

20211200201101 is a wasteful number, since it uses less digits than its factorization.

20211200201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658658708.

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

Adding to 20211200201101 its reverse (10110200211202), we get a palindrome (30321400412303).

The spelling of 20211200201101 in words is "twenty trillion, two hundred eleven billion, two hundred million, two hundred one thousand, one hundred one".