2100552001 has 2 divisors, whose sum is σ = 2100552002. Its totient is φ = 2100552000.

The previous prime is 2100551993. The next prime is 2100552017. The reversal of 2100552001 is 1002550012.

It is an a-pointer prime, because the next prime (2100552017) can be obtained adding 2100552001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2090318400 + 10233601 = 45720^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100552001 - 2³ = 2100551993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100552031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050276000 + 1050276001.

It is an arithmetic number, because the mean of its divisors is an integer number (1050276001).

Almost surely, 2^2100552001 is an apocalyptic number.

It is an amenable number.

2100552001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100552001 is an equidigital number, since it uses as much as digits as its factorization.

2100552001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2100552001 is about 45831.7793785055. The cubic root of 2100552001 is about 1280.6913584879.

The spelling of 2100552001 in words is "two billion, one hundred million, five hundred fifty-two thousand, one".