1121210201 has 8 divisors (see below), whose sum is σ = 1157764608. Its totient is φ = 1084680000.

The previous prime is 1121210171. The next prime is 1121210219. The reversal of 1121210201 is 1020121211.

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 1121210201 - 2⁶ = 1121210137 is a prime.

It is a super-2 number, since 2×1121210201² = 2514224629652920802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121210261) 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, 167876 + ... + 174426.

It is an arithmetic number, because the mean of its divisors is an integer number (144720576).

Almost surely, 2^1121210201 is an apocalyptic number.

It is an amenable number.

1121210201 is a deficient number, since it is larger than the sum of its proper divisors (36554407).

1121210201 is an equidigital number, since it uses as much as digits as its factorization.

1121210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121210201 is about 33484.4770154769. The cubic root of 1121210201 is about 1038.8727310584.

Adding to 1121210201 its reverse (1020121211), we get a palindrome (2141331412).

The spelling of 1121210201 in words is "one billion, one hundred twenty-one million, two hundred ten thousand, two hundred one".