11200121993 has 4 divisors (see below), whose sum is σ = 11210389008. Its totient is φ = 11189854980.

The previous prime is 11200121971. The next prime is 11200122001. The reversal of 11200121993 is 39912100211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11200121993 - 2¹² = 11200117897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200121903) 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, 5131871 + ... + 5134052.

It is an arithmetic number, because the mean of its divisors is an integer number (2802597252).

Almost surely, 2^11200121993 is an apocalyptic number.

It is an amenable number.

11200121993 is a deficient number, since it is larger than the sum of its proper divisors (10267015).

11200121993 is a wasteful number, since it uses less digits than its factorization.

11200121993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267014.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11200121993 in words is "eleven billion, two hundred million, one hundred twenty-one thousand, nine hundred ninety-three".