21113032342 has 8 divisors (see below), whose sum is σ = 32761602000. Its totient is φ = 10192498344.

The previous prime is 21113032337. The next prime is 21113032357. The reversal of 21113032342 is 24323031112.

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

It is a congruent 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, 182008842 + ... + 182008957.

It is an arithmetic number, because the mean of its divisors is an integer number (4095200250).

Almost surely, 2^21113032342 is an apocalyptic number.

21113032342 is a deficient number, since it is larger than the sum of its proper divisors (11648569658).

21113032342 is a wasteful number, since it uses less digits than its factorization.

21113032342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364017830.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21113032342 its reverse (24323031112), we get a palindrome (45436063454).

The spelling of 21113032342 in words is "twenty-one billion, one hundred thirteen million, thirty-two thousand, three hundred forty-two".