10002100027 has 2 divisors, whose sum is σ = 10002100028. Its totient is φ = 10002100026.

The previous prime is 10002099979. The next prime is 10002100039. The reversal of 10002100027 is 72000120001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10002100027 is a prime.

It is a super-2 number, since 2×10002100027² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10002400027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001050013 + 5001050014.

It is an arithmetic number, because the mean of its divisors is an integer number (5001050014).

Almost surely, 2^10002100027 is an apocalyptic number.

10002100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002100027 is an equidigital number, since it uses as much as digits as its factorization.

10002100027 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 13.

Adding to 10002100027 its reverse (72000120001), we get a palindrome (82002220028).

The spelling of 10002100027 in words is "ten billion, two million, one hundred thousand, twenty-seven".