11200000212121 has 8 divisors (see below), whose sum is σ = 13112195370624. Its totient is φ = 9365853835680.

The previous prime is 11200000212067. The next prime is 11200000212127. The reversal of 11200000212121 is 12121200000211.

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 11200000212121 - 2⁷ = 11200000211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11200000212127) 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, 19512195205 + ... + 19512195778.

It is an arithmetic number, because the mean of its divisors is an integer number (1639024421328).

Almost surely, 2^{11200000212121} is an apocalyptic number.

It is an amenable number.

11200000212121 is a deficient number, since it is larger than the sum of its proper divisors (1912195158503).

11200000212121 is an equidigital number, since it uses as much as digits as its factorization.

11200000212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39024391031.

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

Adding to 11200000212121 its reverse (12121200000211), we get a palindrome (23321200212332).

The spelling of 11200000212121 in words is "eleven trillion, two hundred billion, two hundred twelve thousand, one hundred twenty-one".