2131100202001 has 2 divisors, whose sum is σ = 2131100202002. Its totient is φ = 2131100202000.

The previous prime is 2131100201981. The next prime is 2131100202019. The reversal of 2131100202001 is 1002020011312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968226614225 + 162873587776 = 1402935^2 + 403576^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131100202001 - 2³¹ = 2128952718353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131100202901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065550101000 + 1065550101001.

It is an arithmetic number, because the mean of its divisors is an integer number (1065550101001).

Almost surely, 2^{2131100202001} is an apocalyptic number.

It is an amenable number.

2131100202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131100202001 is an equidigital number, since it uses as much as digits as its factorization.

2131100202001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2131100202001 its reverse (1002020011312), we get a palindrome (3133120213313).

The spelling of 2131100202001 in words is "two trillion, one hundred thirty-one billion, one hundred million, two hundred two thousand, one".