1121112201 has 8 divisors (see below), whose sum is σ = 1630708704. Its totient is φ = 679461920.

The previous prime is 1121112169. The next prime is 1121112217. The reversal of 1121112201 is 1022111211.

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 1121112201 - 2⁵ = 1121112169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121112101) 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, 16986516 + ... + 16986581.

It is an arithmetic number, because the mean of its divisors is an integer number (203838588).

Almost surely, 2^1121112201 is an apocalyptic number.

1121112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121112201 is a deficient number, since it is larger than the sum of its proper divisors (509596503).

1121112201 is a wasteful number, since it uses less digits than its factorization.

1121112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33973111.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1121112201 is about 33483.0136188486. The cubic root of 1121112201 is about 1038.8424624273.

Adding to 1121112201 its reverse (1022111211), we get a palindrome (2143223412).

The spelling of 1121112201 in words is "one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred one".