11110012012121 has 32 divisors (see below), whose sum is σ = 12857859115776. Its totient is φ = 9499872096000.

The previous prime is 11110012012117. The next prime is 11110012012139. The reversal of 11110012012121 is 12121021001111.

It is not a de Polignac number, because 11110012012121 - 2² = 11110012012117 is a prime.

It is a super-2 number, since 2×11110012012121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110012012096 and 11110012012105.

It is not an unprimeable number, because it can be changed into a prime (11110012012621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56649251 + ... + 56845031.

It is an arithmetic number, because the mean of its divisors is an integer number (401808097368).

Almost surely, 2^{11110012012121} is an apocalyptic number.

11110012012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110012012121 is a deficient number, since it is larger than the sum of its proper divisors (1747847103655).

11110012012121 is a wasteful number, since it uses less digits than its factorization.

11110012012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199553.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11110012012121 its reverse (12121021001111), we get a palindrome (23231033013232).

The spelling of 11110012012121 in words is "eleven trillion, one hundred ten billion, twelve million, twelve thousand, one hundred twenty-one".