21334210303142 has 16 divisors (see below), whose sum is σ = 34911680992272. Its totient is φ = 9697047474720.

The previous prime is 21334210303139. The next prime is 21334210303151. The reversal of 21334210303142 is 24130301243312.

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, 15361553 + ... + 16692684.

It is an arithmetic number, because the mean of its divisors is an integer number (2181980062017).

Almost surely, 2^{21334210303142} is an apocalyptic number.

21334210303142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21334210303142 is a deficient number, since it is larger than the sum of its proper divisors (13577470689130).

21334210303142 is a wasteful number, since it uses less digits than its factorization.

21334210303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32084503.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 21334210303142 its reverse (24130301243312), we get a palindrome (45464511546454).

The spelling of 21334210303142 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred three thousand, one hundred forty-two".