1421214221002 has 16 divisors (see below), whose sum is σ = 2151476422920. Its totient is φ = 704056002048.

The previous prime is 1421214220997. The next prime is 1421214221029. The reversal of 1421214221002 is 2001224121241.

It can be written as a sum of positive squares in 4 ways, for example, as 1394054851401 + 27159369601 = 1180701^2 + 164801^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 5126818 + ... + 5396914.

Almost surely, 2^{1421214221002} is an apocalyptic number.

1421214221002 is a deficient number, since it is larger than the sum of its proper divisors (730262201918).

1421214221002 is a wasteful number, since it uses less digits than its factorization.

1421214221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294345.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1421214221002 its reverse (2001224121241), we get a palindrome (3422438342243).

The spelling of 1421214221002 in words is "one trillion, four hundred twenty-one billion, two hundred fourteen million, two hundred twenty-one thousand, two".