2103003240121 has 32 divisors (see below), whose sum is σ = 2561884416000. Its totient is φ = 1686184739712.

The previous prime is 2103003240119. The next prime is 2103003240181. The reversal of 2103003240121 is 1210423003012.

It is a happy number.

It is not a de Polignac number, because 2103003240121 - 2¹ = 2103003240119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2103003240181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8483310 + ... + 8727688.

It is an arithmetic number, because the mean of its divisors is an integer number (80058888000).

Almost surely, 2^{2103003240121} is an apocalyptic number.

It is an amenable number.

2103003240121 is a deficient number, since it is larger than the sum of its proper divisors (458881175879).

2103003240121 is a wasteful number, since it uses less digits than its factorization.

2103003240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245221.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2103003240121 its reverse (1210423003012), we get a palindrome (3313426243133).

The spelling of 2103003240121 in words is "two trillion, one hundred three billion, three million, two hundred forty thousand, one hundred twenty-one".