121110100002011 has 4 divisors (see below), whose sum is σ = 121110548103552. Its totient is φ = 121109651900472.

The previous prime is 121110100001951. The next prime is 121110100002137. The reversal of 121110100002011 is 110200001011121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121110100002011 - 2¹⁴ = 121110099985627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121110100001983 and 121110100002001.

It is not an unprimeable number, because it can be changed into a prime (121110100022011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223645115 + ... + 224185988.

It is an arithmetic number, because the mean of its divisors is an integer number (30277637025888).

Almost surely, 2^{121110100002011} is an apocalyptic number.

121110100002011 is a deficient number, since it is larger than the sum of its proper divisors (448101541).

121110100002011 is an equidigital number, since it uses as much as digits as its factorization.

121110100002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448101540.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121110100002011 its reverse (110200001011121), we get a palindrome (231310101013132).

The spelling of 121110100002011 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred million, two thousand, eleven".