14231221021402 has 32 divisors (see below), whose sum is σ = 26615987639424. Its totient is φ = 5544265708800.

The previous prime is 14231221021393. The next prime is 14231221021441. The reversal of 14231221021402 is 20412012213241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701499 + ... + 5380942.

It is an arithmetic number, because the mean of its divisors is an integer number (831749613732).

Almost surely, 2^{14231221021402} is an apocalyptic number.

14231221021402 is a deficient number, since it is larger than the sum of its proper divisors (12384766618022).

14231221021402 is a wasteful number, since it uses less digits than its factorization.

14231221021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097654.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 14231221021402 its reverse (20412012213241), we get a palindrome (34643233234643).

The spelling of 14231221021402 in words is "fourteen trillion, two hundred thirty-one billion, two hundred twenty-one million, twenty-one thousand, four hundred two".