11203100121 has 8 divisors (see below), whose sum is σ = 14941150560. Its totient is φ = 7466891552.

The previous prime is 11203100101. The next prime is 11203100123. The reversal of 11203100121 is 12100130211.

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 11203100121 - 2⁵ = 11203100089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203100097 and 11203100106.

It is not an unprimeable number, because it can be changed into a prime (11203100123) 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, 446211 + ... + 470648.

It is an arithmetic number, because the mean of its divisors is an integer number (1867643820).

Almost surely, 2^11203100121 is an apocalyptic number.

It is an amenable number.

11203100121 is a deficient number, since it is larger than the sum of its proper divisors (3738050439).

11203100121 is an equidigital number, since it uses as much as digits as its factorization.

11203100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920935.

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

Adding to 11203100121 its reverse (12100130211), we get a palindrome (23303230332).

The spelling of 11203100121 in words is "eleven billion, two hundred three million, one hundred thousand, one hundred twenty-one".