1322112121 has 8 divisors (see below), whose sum is σ = 1455537600. Its totient is φ = 1190892240.

The previous prime is 1322112101. The next prime is 1322112137. The reversal of 1322112121 is 1212112231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1322112121 - 2¹¹ = 1322110073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322112095 and 1322112104.

It is not an unprimeable number, because it can be changed into a prime (1322112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550141 + ... + 552538.

It is an arithmetic number, because the mean of its divisors is an integer number (181942200).

Almost surely, 2^1322112121 is an apocalyptic number.

1322112121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322112121 is a deficient number, since it is larger than the sum of its proper divisors (133425479).

1322112121 is a wasteful number, since it uses less digits than its factorization.

1322112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102799.

The product of its digits is 48, while the sum is 16.

The square root of 1322112121 is about 36360.8597395606. The cubic root of 1322112121 is about 1097.5460782538.

Adding to 1322112121 its reverse (1212112231), we get a palindrome (2534224352).

The spelling of 1322112121 in words is "one billion, three hundred twenty-two million, one hundred twelve thousand, one hundred twenty-one".