20112101200101 has 16 divisors (see below), whose sum is σ = 27638715787200. Its totient is φ = 13000789630080.

The previous prime is 20112101200057. The next prime is 20112101200207. The reversal of 20112101200101 is 10100210121102.

It is not a de Polignac number, because 20112101200101 - 2¹⁰ = 20112101199077 is a prime.

It is a super-2 number, since 2×20112101200101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112101200601) 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, 501553626 + ... + 501593723.

It is an arithmetic number, because the mean of its divisors is an integer number (1727419736700).

Almost surely, 2^{20112101200101} is an apocalyptic number.

It is an amenable number.

20112101200101 is a deficient number, since it is larger than the sum of its proper divisors (7526614587099).

20112101200101 is a wasteful number, since it uses less digits than its factorization.

20112101200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003147556.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20112101200101 its reverse (10100210121102), we get a palindrome (30212311321203).

The spelling of 20112101200101 in words is "twenty trillion, one hundred twelve billion, one hundred one million, two hundred thousand, one hundred one".