121102001120011 has 4 divisors (see below), whose sum is σ = 121123310645512. Its totient is φ = 121080691594512.

The previous prime is 121102001119997. The next prime is 121102001120059. The reversal of 121102001120011 is 110021100201121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102001120011 is a prime.

It is a super-2 number, since 2×121102001120011² (a number of 29 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 = 121102001119973 and 121102001120000.

It is not an unprimeable number, because it can be changed into a prime (121102001121011) 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, 10654754226 + ... + 10654765591.

It is an arithmetic number, because the mean of its divisors is an integer number (30280827661378).

Almost surely, 2^{121102001120011} is an apocalyptic number.

121102001120011 is a deficient number, since it is larger than the sum of its proper divisors (21309525501).

121102001120011 is an equidigital number, since it uses as much as digits as its factorization.

121102001120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21309525500.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121102001120011 its reverse (110021100201121), we get a palindrome (231123101321132).

The spelling of 121102001120011 in words is "one hundred twenty-one trillion, one hundred two billion, one million, one hundred twenty thousand, eleven".