13421420344102 has 16 divisors (see below), whose sum is σ = 20628195635520. Its totient is φ = 6545777496552.

The previous prime is 13421420344081. The next prime is 13421420344183. The reversal of 13421420344102 is 20144302412431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105527128 + ... + 105654235.

It is an arithmetic number, because the mean of its divisors is an integer number (1289262227220).

Almost surely, 2^{13421420344102} is an apocalyptic number.

13421420344102 is a deficient number, since it is larger than the sum of its proper divisors (7206775291418).

13421420344102 is a wasteful number, since it uses less digits than its factorization.

13421420344102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211182147.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 13421420344102 its reverse (20144302412431), we get a palindrome (33565722756533).

The spelling of 13421420344102 in words is "thirteen trillion, four hundred twenty-one billion, four hundred twenty million, three hundred forty-four thousand, one hundred two".