21133030422142 has 8 divisors (see below), whose sum is σ = 31710108636432. Its totient is φ = 10562994210000.

The previous prime is 21133030422139. The next prime is 21133030422227. The reversal of 21133030422142 is 24122403033112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21133030422142.

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, 1760493034 + ... + 1760505037.

It is an arithmetic number, because the mean of its divisors is an integer number (3963763579554).

Almost surely, 2^{21133030422142} is an apocalyptic number.

21133030422142 is a deficient number, since it is larger than the sum of its proper divisors (10577078214290).

21133030422142 is a wasteful number, since it uses less digits than its factorization.

21133030422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521001074.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 21133030422142 its reverse (24122403033112), we get a palindrome (45255433455254).

The spelling of 21133030422142 in words is "twenty-one trillion, one hundred thirty-three billion, thirty million, four hundred twenty-two thousand, one hundred forty-two".