2101100023247 has 2 divisors, whose sum is σ = 2101100023248. Its totient is φ = 2101100023246.

The previous prime is 2101100023223. The next prime is 2101100023261. The reversal of 2101100023247 is 7423200011012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101100023247 - 2¹⁶ = 2101099957711 is a prime.

It is a super-3 number, since 3×2101100023247³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101100022247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050550011623 + 1050550011624.

It is an arithmetic number, because the mean of its divisors is an integer number (1050550011624).

Almost surely, 2^{2101100023247} is an apocalyptic number.

2101100023247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101100023247 is an equidigital number, since it uses as much as digits as its factorization.

2101100023247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 2101100023247 its reverse (7423200011012), we get a palindrome (9524300034259).

The spelling of 2101100023247 in words is "two trillion, one hundred one billion, one hundred million, twenty-three thousand, two hundred forty-seven".