20201112112201 has 16 divisors (see below), whose sum is σ = 20556579422080. Its totient is φ = 19847279041920.

The previous prime is 20201112112193. The next prime is 20201112112241. The reversal of 20201112112201 is 10221121110202.

It is a cyclic number.

It is not a de Polignac number, because 20201112112201 - 2³ = 20201112112193 is a prime.

It is a super-2 number, since 2×20201112112201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201112112241) 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, 56629285 + ... + 56984893.

It is an arithmetic number, because the mean of its divisors is an integer number (1284786213880).

Almost surely, 2^{20201112112201} is an apocalyptic number.

It is an amenable number.

20201112112201 is a deficient number, since it is larger than the sum of its proper divisors (355467309879).

20201112112201 is a wasteful number, since it uses less digits than its factorization.

20201112112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357904.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20201112112201 its reverse (10221121110202), we get a palindrome (30422233222403).

The spelling of 20201112112201 in words is "twenty trillion, two hundred one billion, one hundred twelve million, one hundred twelve thousand, two hundred one".