20211120111201 has 8 divisors (see below), whose sum is σ = 26966732283744. Its totient is φ = 13464794006400.

The previous prime is 20211120111187. The next prime is 20211120111227. The reversal of 20211120111201 is 10211102111202.

It is a happy number.

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

It is not a de Polignac number, because 20211120111201 - 2¹⁵ = 20211120078433 is a prime.

It is a super-2 number, since 2×20211120111201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211120111271) 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, 2321511856 + ... + 2321520561.

It is an arithmetic number, because the mean of its divisors is an integer number (3370841535468).

Almost surely, 2^{20211120111201} is an apocalyptic number.

It is an amenable number.

20211120111201 is a deficient number, since it is larger than the sum of its proper divisors (6755612172543).

20211120111201 is a wasteful number, since it uses less digits than its factorization.

20211120111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643033871.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20211120111201 its reverse (10211102111202), we get a palindrome (30422222222403).

The spelling of 20211120111201 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, one hundred eleven thousand, two hundred one".