11201000022121 has 8 divisors (see below), whose sum is σ = 13785846181184. Its totient is φ = 8862329687760.

The previous prime is 11201000022119. The next prime is 11201000022143. The reversal of 11201000022121 is 12122000010211.

11201000022121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11201000022121 - 2¹ = 11201000022119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11201000022181) 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, 61543956075 + ... + 61543956256.

It is an arithmetic number, because the mean of its divisors is an integer number (1723230772648).

Almost surely, 2^{11201000022121} is an apocalyptic number.

It is an amenable number.

11201000022121 is a deficient number, since it is larger than the sum of its proper divisors (2584846159063).

11201000022121 is a wasteful number, since it uses less digits than its factorization.

11201000022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123087912351.

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

Adding to 11201000022121 its reverse (12122000010211), we get a palindrome (23323000032332).

The spelling of 11201000022121 in words is "eleven trillion, two hundred one billion, twenty-two thousand, one hundred twenty-one".