21122312210313 has 16 divisors (see below), whose sum is σ = 29022741853056. Its totient is φ = 13655825221760.

The previous prime is 21122312210269. The next prime is 21122312210357. The reversal of 21122312210313 is 31301221322112.

It is an interprime number because it is at equal distance from previous prime (21122312210269) and next prime (21122312210357).

It is a cyclic number.

It is not a de Polignac number, because 21122312210313 - 2⁸ = 21122312210057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21122312210413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514129506 + ... + 514170587.

It is an arithmetic number, because the mean of its divisors is an integer number (1813921365816).

Almost surely, 2^{21122312210313} is an apocalyptic number.

It is an amenable number.

21122312210313 is a deficient number, since it is larger than the sum of its proper divisors (7900429642743).

21122312210313 is a wasteful number, since it uses less digits than its factorization.

21122312210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028300304.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21122312210313 its reverse (31301221322112), we get a palindrome (52423533532425).

The spelling of 21122312210313 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred twelve million, two hundred ten thousand, three hundred thirteen".