2102455201 has 32 divisors (see below), whose sum is σ = 2737152000. Its totient is φ = 1600053840.

The previous prime is 2102455193. The next prime is 2102455211. The reversal of 2102455201 is 1025542012.

It is not a de Polignac number, because 2102455201 - 2³ = 2102455193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102455211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155760 + ... + 168718.

It is an arithmetic number, because the mean of its divisors is an integer number (85536000).

Almost surely, 2^2102455201 is an apocalyptic number.

It is an amenable number.

2102455201 is a deficient number, since it is larger than the sum of its proper divisors (634696799).

2102455201 is a wasteful number, since it uses less digits than its factorization.

2102455201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034 (or 13020 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2102455201 is about 45852.5375633672. The cubic root of 2102455201 is about 1281.0780308206.

Adding to 2102455201 its reverse (1025542012), we get a palindrome (3127997213).

The spelling of 2102455201 in words is "two billion, one hundred two million, four hundred fifty-five thousand, two hundred one".