1112212201 has 4 divisors (see below), whose sum is σ = 1125612432. Its totient is φ = 1098811972.

The previous prime is 1112212181. The next prime is 1112212223. The reversal of 1112212201 is 1022122111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1022122111 = 31 ⋅32971681.

It is a cyclic number.

It is not a de Polignac number, because 1112212201 - 2¹⁵ = 1112179433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6699991 + ... + 6700156.

It is an arithmetic number, because the mean of its divisors is an integer number (281403108).

Almost surely, 2^1112212201 is an apocalyptic number.

It is an amenable number.

1112212201 is a deficient number, since it is larger than the sum of its proper divisors (13400231).

1112212201 is an equidigital number, since it uses as much as digits as its factorization.

1112212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13400230.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1112212201 is about 33349.8455918464. The cubic root of 1112212201 is about 1036.0861899268.

Adding to 1112212201 its reverse (1022122111), we get a palindrome (2134334312).

The spelling of 1112212201 in words is "one billion, one hundred twelve million, two hundred twelve thousand, two hundred one".