11222200121 has 8 divisors (see below), whose sum is σ = 12266940000. Its totient is φ = 10181550240.

The previous prime is 11222200103. The next prime is 11222200133. The reversal of 11222200121 is 12100222211.

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 11222200121 - 2⁶ = 11222200057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222200096 and 11222200105.

It is not an unprimeable number, because it can be changed into a prime (11222200321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016756 + ... + 1027733.

It is an arithmetic number, because the mean of its divisors is an integer number (1533367500).

Almost surely, 2^11222200121 is an apocalyptic number.

11222200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222200121 is a deficient number, since it is larger than the sum of its proper divisors (1044739879).

11222200121 is a wasteful number, since it uses less digits than its factorization.

11222200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044999.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11222200121 its reverse (12100222211), we get a palindrome (23322422332).

The spelling of 11222200121 in words is "eleven billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-one".