1102421332427 has 4 divisors (see below), whose sum is σ = 1104979154976. Its totient is φ = 1099863509880.

The previous prime is 1102421332381. The next prime is 1102421332549. The reversal of 1102421332427 is 7242331242011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102421332427 - 2⁸ = 1102421332171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102421332393 and 1102421332402.

It is not an unprimeable number, because it can be changed into a prime (1102421332127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1278910628 + ... + 1278911489.

It is an arithmetic number, because the mean of its divisors is an integer number (276244788744).

Almost surely, 2^{1102421332427} is an apocalyptic number.

1102421332427 is a deficient number, since it is larger than the sum of its proper divisors (2557822549).

1102421332427 is an equidigital number, since it uses as much as digits as its factorization.

1102421332427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557822548.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 1102421332427 its reverse (7242331242011), we get a palindrome (8344752574438).

The spelling of 1102421332427 in words is "one trillion, one hundred two billion, four hundred twenty-one million, three hundred thirty-two thousand, four hundred twenty-seven".