321112312203101 has 16 divisors (see below), whose sum is σ = 331664966911488. Its totient is φ = 310571847345600.

The previous prime is 321112312203073. The next prime is 321112312203113. The reversal of 321112312203101 is 101302213211123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321112312203101 - 2¹⁸ = 321112311940957 is a prime.

It is a super-2 number, since 2×321112312203101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321112312203401) 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, 367455986 + ... + 368328828.

It is an arithmetic number, because the mean of its divisors is an integer number (20729060431968).

Almost surely, 2^{321112312203101} is an apocalyptic number.

321112312203101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

321112312203101 is a deficient number, since it is larger than the sum of its proper divisors (10552654708387).

321112312203101 is a wasteful number, since it uses less digits than its factorization.

321112312203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879812.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 321112312203101 its reverse (101302213211123), we get a palindrome (422414525414224).

The spelling of 321112312203101 in words is "three hundred twenty-one trillion, one hundred twelve billion, three hundred twelve million, two hundred three thousand, one hundred one".