2100545201 has 4 divisors (see below), whose sum is σ = 2102607600. Its totient is φ = 2098482804.

The previous prime is 2100545189. The next prime is 2100545263. The reversal of 2100545201 is 1025450012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100545201 - 2²² = 2096350897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100545101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029671 + ... + 1031708.

It is an arithmetic number, because the mean of its divisors is an integer number (525651900).

Almost surely, 2^2100545201 is an apocalyptic number.

It is an amenable number.

2100545201 is a deficient number, since it is larger than the sum of its proper divisors (2062399).

2100545201 is a wasteful number, since it uses less digits than its factorization.

2100545201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062398.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2100545201 is about 45831.7051941121. The cubic root of 2100545201 is about 1280.6899765161.

Adding to 2100545201 its reverse (1025450012), we get a palindrome (3125995213).

The spelling of 2100545201 in words is "two billion, one hundred million, five hundred forty-five thousand, two hundred one".