11110001012121 has 64 divisors (see below), whose sum is σ = 16365581107200. Its totient is φ = 6648074208000.

The previous prime is 11110001012119. The next prime is 11110001012137. The reversal of 11110001012121 is 12121010001111.

It is not a de Polignac number, because 11110001012121 - 2¹ = 11110001012119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11110001012097 and 11110001012106.

It is not an unprimeable number, because it can be changed into a prime (11110001012161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2374436860 + ... + 2374441538.

It is an arithmetic number, because the mean of its divisors is an integer number (255712204800).

Almost surely, 2^{11110001012121} is an apocalyptic number.

11110001012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110001012121 is a deficient number, since it is larger than the sum of its proper divisors (5255580095079).

11110001012121 is a wasteful number, since it uses less digits than its factorization.

11110001012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11110001012121 its reverse (12121010001111), we get a palindrome (23231011013232).

The spelling of 11110001012121 in words is "eleven trillion, one hundred ten billion, one million, twelve thousand, one hundred twenty-one".