321122113 has 16 divisors (see below), whose sum is σ = 361662336. Its totient is φ = 282902400.

The previous prime is 321122101. The next prime is 321122143. The reversal of 321122113 is 311221123.

It is a cyclic number.

It is not a de Polignac number, because 321122113 - 2¹³ = 321113921 is a prime.

It is a super-2 number, since 2×321122113² = 206238822915169538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321122143) 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, 178806 + ... + 180592.

It is an arithmetic number, because the mean of its divisors is an integer number (22603896).

Almost surely, 2^321122113 is an apocalyptic number.

It is an amenable number.

321122113 is a deficient number, since it is larger than the sum of its proper divisors (40540223).

321122113 is a wasteful number, since it uses less digits than its factorization.

321122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

The product of its digits is 72, while the sum is 16.

The square root of 321122113 is about 17919.8803846454. The cubic root of 321122113 is about 684.7889402504.

Adding to 321122113 its reverse (311221123), we get a palindrome (632343236).

It can be divided in two parts, 32112 and 2113, that added together give a square (34225 = 185²).

The spelling of 321122113 in words is "three hundred twenty-one million, one hundred twenty-two thousand, one hundred thirteen".