11121232201 has 4 divisors (see below), whose sum is σ = 11379865552. Its totient is φ = 10862598852.

The previous prime is 11121232169. The next prime is 11121232223. The reversal of 11121232201 is 10223212111.

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: 10223212111 = 7 ⋅1460458873.

It is a cyclic number.

It is not a de Polignac number, because 11121232201 - 2⁵ = 11121232169 is a prime.

It is a super-4 number, since 4×11121232201⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121232271) 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, 129316611 + ... + 129316696.

It is an arithmetic number, because the mean of its divisors is an integer number (2844966388).

Almost surely, 2^11121232201 is an apocalyptic number.

It is an amenable number.

11121232201 is a deficient number, since it is larger than the sum of its proper divisors (258633351).

11121232201 is an equidigital number, since it uses as much as digits as its factorization.

11121232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258633350.

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

Adding to 11121232201 its reverse (10223212111), we get a palindrome (21344444312).

The spelling of 11121232201 in words is "eleven billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred one".