11213203200121 has 8 divisors (see below), whose sum is σ = 12078220293440. Its totient is φ = 10348537964112.

The previous prime is 11213203200037. The next prime is 11213203200149. The reversal of 11213203200121 is 12100230231211.

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 11213203200121 - 2²¹ = 11213201102969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213203200821) 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, 87898131 + ... + 88025608.

It is an arithmetic number, because the mean of its divisors is an integer number (1509777536680).

Almost surely, 2^{11213203200121} is an apocalyptic number.

It is an amenable number.

11213203200121 is a deficient number, since it is larger than the sum of its proper divisors (865017093319).

11213203200121 is a wasteful number, since it uses less digits than its factorization.

11213203200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175928655.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11213203200121 its reverse (12100230231211), we get a palindrome (23313433431332).

The spelling of 11213203200121 in words is "eleven trillion, two hundred thirteen billion, two hundred three million, two hundred thousand, one hundred twenty-one".