1113022121 has 8 divisors (see below), whose sum is σ = 1151462088. Its totient is φ = 1075120000.

The previous prime is 1113022091. The next prime is 1113022159. The reversal of 1113022121 is 1212203111.

It can be written as a sum of positive squares in 4 ways, for example, as 72250000 + 1040772121 = 8500^2 + 32261^2 .

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 1113022121 - 2²² = 1108827817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113022096 and 1113022105.

It is not an unprimeable number, because it can be changed into a prime (1113022921) 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, 130250 + ... + 138531.

It is an arithmetic number, because the mean of its divisors is an integer number (143932761).

Almost surely, 2^1113022121 is an apocalyptic number.

It is an amenable number.

1113022121 is a deficient number, since it is larger than the sum of its proper divisors (38439967).

1113022121 is a wasteful number, since it uses less digits than its factorization.

1113022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268923.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1113022121 is about 33361.9861668936. The cubic root of 1113022121 is about 1036.3376237562.

Adding to 1113022121 its reverse (1212203111), we get a palindrome (2325225232).

The spelling of 1113022121 in words is "one billion, one hundred thirteen million, twenty-two thousand, one hundred twenty-one".