21114232042 has 8 divisors (see below), whose sum is σ = 31675093956. Its totient is φ = 10555867392.

The previous prime is 21114232031. The next prime is 21114232099. The reversal of 21114232042 is 24023241112.

It can be written as a sum of positive squares in 2 ways, for example, as 20848183321 + 266048721 = 144389^2 + 16311^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603033 + ... + 637084.

Almost surely, 2^21114232042 is an apocalyptic number.

21114232042 is a deficient number, since it is larger than the sum of its proper divisors (10560861914).

21114232042 is a wasteful number, since it uses less digits than its factorization.

21114232042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248632.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21114232042 its reverse (24023241112), we get a palindrome (45137473154).

The spelling of 21114232042 in words is "twenty-one billion, one hundred fourteen million, two hundred thirty-two thousand, forty-two".