2101002121027 has 2 divisors, whose sum is σ = 2101002121028. Its totient is φ = 2101002121026.

The previous prime is 2101002120991. The next prime is 2101002121051. The reversal of 2101002121027 is 7201212001012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101002121027 - 2³¹ = 2098854637379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101002120995 and 2101002121013.

It is not a weakly prime, because it can be changed into another prime (2101002131027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050501060513 + 1050501060514.

It is an arithmetic number, because the mean of its divisors is an integer number (1050501060514).

Almost surely, 2^{2101002121027} is an apocalyptic number.

2101002121027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101002121027 is an equidigital number, since it uses as much as digits as its factorization.

2101002121027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 2101002121027 its reverse (7201212001012), we get a palindrome (9302214122039).

The spelling of 2101002121027 in words is "two trillion, one hundred one billion, two million, one hundred twenty-one thousand, twenty-seven".