1103342002021 has 16 divisors (see below), whose sum is σ = 1273268557440. Its totient is φ = 936535864320.

The previous prime is 1103342002003. The next prime is 1103342002031. The reversal of 1103342002021 is 1202002433011.

It is a happy number.

It is not a de Polignac number, because 1103342002021 - 2¹³ = 1103341993829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103342002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103342002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524916 + ... + 2128861.

It is an arithmetic number, because the mean of its divisors is an integer number (79579284840).

Almost surely, 2^{1103342002021} is an apocalyptic number.

It is an amenable number.

1103342002021 is a deficient number, since it is larger than the sum of its proper divisors (169926555419).

1103342002021 is a wasteful number, since it uses less digits than its factorization.

1103342002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654204.

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

Adding to 1103342002021 its reverse (1202002433011), we get a palindrome (2305344435032).

The spelling of 1103342002021 in words is "one trillion, one hundred three billion, three hundred forty-two million, two thousand, twenty-one".