320122212101 has 32 divisors (see below), whose sum is σ = 368204390400. Its totient is φ = 276779643840.

The previous prime is 320122212097. The next prime is 320122212119. The reversal of 320122212101 is 101212221023.

It is a cyclic number.

It is not a de Polignac number, because 320122212101 - 2² = 320122212097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320122212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320122272101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516560 + ... + 952406.

It is an arithmetic number, because the mean of its divisors is an integer number (11506387200).

Almost surely, 2^320122212101 is an apocalyptic number.

320122212101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320122212101 is a deficient number, since it is larger than the sum of its proper divisors (48082178299).

320122212101 is a wasteful number, since it uses less digits than its factorization.

320122212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435969.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 320122212101 its reverse (101212221023), we get a palindrome (421334433124).

The spelling of 320122212101 in words is "three hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, one hundred one".