11100000201121 has 16 divisors (see below), whose sum is σ = 12006727020288. Its totient is φ = 10200863520000.

The previous prime is 11100000201107. The next prime is 11100000201137. The reversal of 11100000201121 is 12110200000111.

It is a cyclic number.

It is not a de Polignac number, because 11100000201121 - 2⁵ = 11100000201089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100000201098 and 11100000201107.

It is not an unprimeable number, because it can be changed into a prime (11100007201121) 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 15 ways as a sum of consecutive naturals, for example, 6718761 + ... + 8206201.

It is an arithmetic number, because the mean of its divisors is an integer number (750420438768).

Almost surely, 2^{11100000201121} is an apocalyptic number.

It is an amenable number.

11100000201121 is a deficient number, since it is larger than the sum of its proper divisors (906726819167).

11100000201121 is a wasteful number, since it uses less digits than its factorization.

11100000201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489992.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11100000201121 its reverse (12110200000111), we get a palindrome (23210200201232).

The spelling of 11100000201121 in words is "eleven trillion, one hundred billion, two hundred one thousand, one hundred twenty-one".