21034302251141 has 8 divisors (see below), whose sum is σ = 21287853851040. Its totient is φ = 20780753657872.

The previous prime is 21034302251119. The next prime is 21034302251153. The reversal of 21034302251141 is 14115220343012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21034302251141 - 2⁴² = 16636255740037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034302251141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15405050 + ... + 16714788.

It is an arithmetic number, because the mean of its divisors is an integer number (2660981731380).

Almost surely, 2^{21034302251141} is an apocalyptic number.

It is an amenable number.

21034302251141 is a deficient number, since it is larger than the sum of its proper divisors (253551599899).

21034302251141 is a wasteful number, since it uses less digits than its factorization.

21034302251141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503315.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 21034302251141 its reverse (14115220343012), we get a palindrome (35149522594153).

The spelling of 21034302251141 in words is "twenty-one trillion, thirty-four billion, three hundred two million, two hundred fifty-one thousand, one hundred forty-one".