1010002100027 has 2 divisors, whose sum is σ = 1010002100028. Its totient is φ = 1010002100026.

The previous prime is 1010002099973. The next prime is 1010002100039. The reversal of 1010002100027 is 7200012000101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010002100027 - 2¹⁰ = 1010002099003 is a prime.

It is a super-2 number, since 2×1010002100027² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010002099984 and 1010002100020.

It is not a weakly prime, because it can be changed into another prime (1010002100087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505001050013 + 505001050014.

It is an arithmetic number, because the mean of its divisors is an integer number (505001050014).

Almost surely, 2^{1010002100027} is an apocalyptic number.

1010002100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010002100027 is an equidigital number, since it uses as much as digits as its factorization.

1010002100027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 1010002100027 its reverse (7200012000101), we get a palindrome (8210014100128).

The spelling of 1010002100027 in words is "one trillion, ten billion, two million, one hundred thousand, twenty-seven".