2103200121 has 8 divisors (see below), whose sum is σ = 3059200224. Its totient is φ = 1274666720.

The previous prime is 2103200119. The next prime is 2103200131. The reversal of 2103200121 is 1210023012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103200121 - 2¹ = 2103200119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103200097 and 2103200106.

It is not an unprimeable number, because it can be changed into a prime (2103200131) 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, 31866636 + ... + 31866701.

It is an arithmetic number, because the mean of its divisors is an integer number (382400028).

Almost surely, 2^2103200121 is an apocalyptic number.

It is an amenable number.

2103200121 is a deficient number, since it is larger than the sum of its proper divisors (956000103).

2103200121 is a wasteful number, since it uses less digits than its factorization.

2103200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63733351.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2103200121 is about 45860.6598404340. The cubic root of 2103200121 is about 1281.2293123576.

Adding to 2103200121 its reverse (1210023012), we get a palindrome (3313223133).

The spelling of 2103200121 in words is "two billion, one hundred three million, two hundred thousand, one hundred twenty-one".