21333334123130 has 16 divisors (see below), whose sum is σ = 38400884618760. Its totient is φ = 8533137383232.

The previous prime is 21333334123027. The next prime is 21333334123141. The reversal of 21333334123130 is 3132143333312.

It can be written as a sum of positive squares in 4 ways, for example, as 12064347784129 + 9268986339001 = 3473377^2 + 3044501^2 .

It is a super-2 number, since 2×21333334123130² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24076325 + ... + 24946664.

Almost surely, 2^{21333334123130} is an apocalyptic number.

21333334123130 is a deficient number, since it is larger than the sum of its proper divisors (17067550495630).

21333334123130 is a wasteful number, since it uses less digits than its factorization.

21333334123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49066513.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 21333334123130 its reverse (3132143333312), we get a palindrome (24465477456442).

The spelling of 21333334123130 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred thirty-four million, one hundred twenty-three thousand, one hundred thirty".