2103232121201 has 4 divisors (see below), whose sum is σ = 2103291241332. Its totient is φ = 2103173001072.

The previous prime is 2103232121191. The next prime is 2103232121281. The reversal of 2103232121201 is 1021212323012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1225592914225 + 877639206976 = 1107065^2 + 936824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103232121201 - 2²² = 2103227926897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103232121281) 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, 29506670 + ... + 29577863.

It is an arithmetic number, because the mean of its divisors is an integer number (525822810333).

Almost surely, 2^{2103232121201} is an apocalyptic number.

It is an amenable number.

2103232121201 is a deficient number, since it is larger than the sum of its proper divisors (59120131).

2103232121201 is an equidigital number, since it uses as much as digits as its factorization.

2103232121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59120130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2103232121201 its reverse (1021212323012), we get a palindrome (3124444444213).

The spelling of 2103232121201 in words is "two trillion, one hundred three billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred one".