11200120001 has 16 divisors (see below), whose sum is σ = 13103659008. Its totient is φ = 9372661200.

The previous prime is 11200119961. The next prime is 11200120051. The reversal of 11200120001 is 10002100211.

It is not a de Polignac number, because 11200120001 - 2¹⁴ = 11200103617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11200120051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797006 + ... + 810936.

It is an arithmetic number, because the mean of its divisors is an integer number (818978688).

Almost surely, 2^11200120001 is an apocalyptic number.

It is an amenable number.

11200120001 is a deficient number, since it is larger than the sum of its proper divisors (1903539007).

11200120001 is a wasteful number, since it uses less digits than its factorization.

11200120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11200120001 its reverse (10002100211), we get a palindrome (21202220212).

The spelling of 11200120001 in words is "eleven billion, two hundred million, one hundred twenty thousand, one".