20112001141 has 6 divisors (see below), whose sum is σ = 20309169750. Its totient is φ = 19916728488.

The previous prime is 20112001121. The next prime is 20112001171. The reversal of 20112001141 is 14110021102.

It can be written as a sum of positive squares in only one way, i.e., 15532636900 + 4579364241 = 124630^2 + 67671^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20112001141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 937266 + ... + 958483.

It is an arithmetic number, because the mean of its divisors is an integer number (3384861625).

Almost surely, 2^20112001141 is an apocalyptic number.

It is an amenable number.

20112001141 is a deficient number, since it is larger than the sum of its proper divisors (197168609).

20112001141 is an equidigital number, since it uses as much as digits as its factorization.

20112001141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895955 (or 1895852 counting only the distinct ones).

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

Adding to 20112001141 its reverse (14110021102), we get a palindrome (34222022243).

The spelling of 20112001141 in words is "twenty billion, one hundred twelve million, one thousand, one hundred forty-one".