2101235201 has 8 divisors (see below), whose sum is σ = 2267219304. Its totient is φ = 1935872640.

The previous prime is 2101235177. The next prime is 2101235231. The reversal of 2101235201 is 1025321012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 196000000 + 1905235201 = 14000^2 + 43649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101235201 - 2²⁶ = 2034126337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101235201.

It is not an unprimeable number, because it can be changed into a prime (2101235231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148346 + ... + 161891.

It is an arithmetic number, because the mean of its divisors is an integer number (283402413).

Almost surely, 2^2101235201 is an apocalyptic number.

It is an amenable number.

2101235201 is a deficient number, since it is larger than the sum of its proper divisors (165984103).

2101235201 is a wasteful number, since it uses less digits than its factorization.

2101235201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310771.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2101235201 is about 45839.2321161688. The cubic root of 2101235201 is about 1280.8301908031.

Adding to 2101235201 its reverse (1025321012), we get a palindrome (3126556213).

The spelling of 2101235201 in words is "two billion, one hundred one million, two hundred thirty-five thousand, two hundred one".