20000000201101 has 2 divisors, whose sum is σ = 20000000201102. Its totient is φ = 20000000201100.

The previous prime is 20000000201047. The next prime is 20000000201113. The reversal of 20000000201101 is 10110200000002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19294275875625 + 705724325476 = 4392525^2 + 840074^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000000201101 - 2⁹ = 20000000200589 is a prime.

It is a super-2 number, since 2×20000000201101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000000201161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000000100550 + 10000000100551.

It is an arithmetic number, because the mean of its divisors is an integer number (10000000100551).

Almost surely, 2^{20000000201101} is an apocalyptic number.

It is an amenable number.

20000000201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000000201101 is an equidigital number, since it uses as much as digits as its factorization.

20000000201101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20000000201101 its reverse (10110200000002), we get a palindrome (30110200201103).

The spelling of 20000000201101 in words is "twenty trillion, two hundred one thousand, one hundred one".