1103381742421 has 16 divisors (see below), whose sum is σ = 1277069516800. Its totient is φ = 933711290928.

The previous prime is 1103381742343. The next prime is 1103381742467. The reversal of 1103381742421 is 1242471833011.

It is a cyclic number.

It is not a de Polignac number, because 1103381742421 - 2⁷ = 1103381742293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103381742521) 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, 7717060 + ... + 7858738.

It is an arithmetic number, because the mean of its divisors is an integer number (79816844800).

Almost surely, 2^{1103381742421} is an apocalyptic number.

It is an amenable number.

1103381742421 is a deficient number, since it is larger than the sum of its proper divisors (173687774379).

1103381742421 is a wasteful number, since it uses less digits than its factorization.

1103381742421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155848.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 1103381742421 in words is "one trillion, one hundred three billion, three hundred eighty-one million, seven hundred forty-two thousand, four hundred twenty-one".