11200121002001 has 8 divisors (see below), whose sum is σ = 11596343985408. Its totient is φ = 10806081066000.

The previous prime is 11200121001959. The next prime is 11200121002051. The reversal of 11200121002001 is 10020012100211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200121002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200121002051) 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, 545751410 + ... + 545771931.

It is an arithmetic number, because the mean of its divisors is an integer number (1449542998176).

Almost surely, 2^{11200121002001} is an apocalyptic number.

It is an amenable number.

11200121002001 is a deficient number, since it is larger than the sum of its proper divisors (396222983407).

11200121002001 is a wasteful number, since it uses less digits than its factorization.

11200121002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091523703.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11200121002001 its reverse (10020012100211), we get a palindrome (21220133102212).

The spelling of 11200121002001 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, two thousand, one".