20111200211201 has 8 divisors (see below), whose sum is σ = 22299154929408. Its totient is φ = 17983189458000.

The previous prime is 20111200211197. The next prime is 20111200211203. The reversal of 20111200211201 is 10211200211102.

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

It is a cyclic number.

It is not a de Polignac number, because 20111200211201 - 2² = 20111200211197 is a prime.

It is a super-3 number, since 3×20111200211201³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111200211203) 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, 14985990545 + ... + 14985991886.

It is an arithmetic number, because the mean of its divisors is an integer number (2787394366176).

Almost surely, 2^{20111200211201} is an apocalyptic number.

It is an amenable number.

20111200211201 is a deficient number, since it is larger than the sum of its proper divisors (2187954718207).

20111200211201 is a wasteful number, since it uses less digits than its factorization.

20111200211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29971982503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20111200211201 its reverse (10211200211102), we get a palindrome (30322400422303).

Subtracting from 20111200211201 its reverse (10211200211102), we obtain a palindrome (9900000000099).

The spelling of 20111200211201 in words is "twenty trillion, one hundred eleven billion, two hundred million, two hundred eleven thousand, two hundred one".