2103111223442 has 4 divisors (see below), whose sum is σ = 3154666835166. Its totient is φ = 1051555611720.

The previous prime is 2103111223439. The next prime is 2103111223483. The reversal of 2103111223442 is 2443221113012.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1677747687841 + 425363535601 = 1295279^2 + 652199^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525777805859 + ... + 525777805862.

Almost surely, 2^{2103111223442} is an apocalyptic number.

2103111223442 is a deficient number, since it is larger than the sum of its proper divisors (1051555611724).

2103111223442 is a wasteful number, since it uses less digits than its factorization.

2103111223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051555611723.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2103111223442 its reverse (2443221113012), we get a palindrome (4546332336454).

The spelling of 2103111223442 in words is "two trillion, one hundred three billion, one hundred eleven million, two hundred twenty-three thousand, four hundred forty-two".