21201011310322 has 16 divisors (see below), whose sum is σ = 31961857334400. Its totient is φ = 10547060645088.

The previous prime is 21201011310301. The next prime is 21201011310343. The reversal of 21201011310322 is 22301311010212.

It is an interprime number because it is at equal distance from previous prime (21201011310301) and next prime (21201011310343).

It is a self number, because there is not a number n which added to its sum of digits gives 21201011310322.

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, 25285158 + ... + 26110174.

It is an arithmetic number, because the mean of its divisors is an integer number (1997616083400).

Almost surely, 2^{21201011310322} is an apocalyptic number.

21201011310322 is a deficient number, since it is larger than the sum of its proper divisors (10760846024078).

21201011310322 is a wasteful number, since it uses less digits than its factorization.

21201011310322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889785.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21201011310322 its reverse (22301311010212), we get a palindrome (43502322320534).

The spelling of 21201011310322 in words is "twenty-one trillion, two hundred one billion, eleven million, three hundred ten thousand, three hundred twenty-two".