21152142114 has 8 divisors (see below), whose sum is σ = 42304284240. Its totient is φ = 7050714036.

The previous prime is 21152142107. The next prime is 21152142131. The reversal of 21152142114 is 41124125112.

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

21152142114 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762678504 + ... + 1762678515.

It is an arithmetic number, because the mean of its divisors is an integer number (5288035530).

Almost surely, 2^21152142114 is an apocalyptic number.

21152142114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21152142114 is a wasteful number, since it uses less digits than its factorization.

21152142114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525357024.

The product of its digits is 640, while the sum is 24.

Adding to 21152142114 its reverse (41124125112), we get a palindrome (62276267226).

The spelling of 21152142114 in words is "twenty-one billion, one hundred fifty-two million, one hundred forty-two thousand, one hundred fourteen".