121110201002011 has 64 divisors (see below), whose sum is σ = 139607278272000. Its totient is φ = 104135762764800.

The previous prime is 121110201001987. The next prime is 121110201002017. The reversal of 121110201002011 is 110200102011121.

It is a happy number.

It is not a de Polignac number, because 121110201002011 - 2¹⁹ = 121110200477723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121110201001982 and 121110201002000.

It is not an unprimeable number, because it can be changed into a prime (121110201002017) 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, 20699057236 + ... + 20699063086.

It is an arithmetic number, because the mean of its divisors is an integer number (2181363723000).

Almost surely, 2^{121110201002011} is an apocalyptic number.

121110201002011 is a deficient number, since it is larger than the sum of its proper divisors (18497077269989).

121110201002011 is a wasteful number, since it uses less digits than its factorization.

121110201002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604.

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

Adding to 121110201002011 its reverse (110200102011121), we get a palindrome (231310303013132).

The spelling of 121110201002011 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred one million, two thousand, eleven".