21133313023030 has 16 divisors (see below), whose sum is σ = 40966114475664. Its totient is φ = 7803069423840.

The previous prime is 21133313023021. The next prime is 21133313023037. The reversal of 21133313023030 is 3032031333112.

It is a junction number, because it is equal to n+sod(n) for n = 21133313022986 and 21133313023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133313023037) 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, 81281973036 + ... + 81281973295.

It is an arithmetic number, because the mean of its divisors is an integer number (2560382154729).

Almost surely, 2^{21133313023030} is an apocalyptic number.

21133313023030 is a deficient number, since it is larger than the sum of its proper divisors (19832801452634).

21133313023030 is a wasteful number, since it uses less digits than its factorization.

21133313023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162563946351.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21133313023030 its reverse (3032031333112), we get a palindrome (24165344356142).

The spelling of 21133313023030 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred thirteen million, twenty-three thousand, thirty".