2101201201 has 4 divisors (see below), whose sum is σ = 2292219504. Its totient is φ = 1910182900.

The previous prime is 2101201183. The next prime is 2101201237. The reversal of 2101201201 is 1021021012.

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 2101201201 - 2²³ = 2092812593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101201601) 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, 95509135 + ... + 95509156.

It is an arithmetic number, because the mean of its divisors is an integer number (573054876).

Almost surely, 2^2101201201 is an apocalyptic number.

It is an amenable number.

2101201201 is a deficient number, since it is larger than the sum of its proper divisors (191018303).

2101201201 is a wasteful number, since it uses less digits than its factorization.

2101201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191018302.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2101201201 is about 45838.8612533078. The cubic root of 2101201201 is about 1280.8232824124.

Adding to 2101201201 its reverse (1021021012), we get a palindrome (3122222213).

It can be divided in two parts, 2101 and 201201, that added together give a palindrome (203302).

The spelling of 2101201201 in words is "two billion, one hundred one million, two hundred one thousand, two hundred one".