1421242110402 has 8 divisors (see below), whose sum is σ = 2842484220816. Its totient is φ = 473747370132.

The previous prime is 1421242110367. The next prime is 1421242110427. The reversal of 1421242110402 is 2040112421241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1421242110402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118436842528 + ... + 118436842539.

It is an arithmetic number, because the mean of its divisors is an integer number (355310527602).

Almost surely, 2^{1421242110402} is an apocalyptic number.

1421242110402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421242110402 is a wasteful number, since it uses less digits than its factorization.

1421242110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236873685072.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1421242110402 its reverse (2040112421241), we get a palindrome (3461354531643).

The spelling of 1421242110402 in words is "one trillion, four hundred twenty-one billion, two hundred forty-two million, one hundred ten thousand, four hundred two".