1122132121 has 8 divisors (see below), whose sum is σ = 1226215584. Its totient is φ = 1018393920.

The previous prime is 1122132091. The next prime is 1122132199. The reversal of 1122132121 is 1212312211.

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 1122132121 - 2¹³ = 1122123929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122132095 and 1122132104.

It is not an unprimeable number, because it can be changed into a prime (1122132521) 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, 79491 + ... + 92536.

It is an arithmetic number, because the mean of its divisors is an integer number (153276948).

Almost surely, 2^1122132121 is an apocalyptic number.

1122132121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122132121 is a deficient number, since it is larger than the sum of its proper divisors (104083463).

1122132121 is a wasteful number, since it uses less digits than its factorization.

1122132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172631.

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

The square root of 1122132121 is about 33498.2405657372. The cubic root of 1122132121 is about 1039.1573922696.

Adding to 1122132121 its reverse (1212312211), we get a palindrome (2334444332).

The spelling of 1122132121 in words is "one billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty-one".