121320013203011 has 32 divisors (see below), whose sum is σ = 149814415116288. Its totient is φ = 95872791006720.

The previous prime is 121320013202989. The next prime is 121320013203017. The reversal of 121320013203011 is 110302310023121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-121320013203011 is a prime.

It is a super-2 number, since 2×121320013203011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320013203017) 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, 11262575 + ... + 19222008.

It is an arithmetic number, because the mean of its divisors is an integer number (4681700472384).

Almost surely, 2^{121320013203011} is an apocalyptic number.

121320013203011 is a deficient number, since it is larger than the sum of its proper divisors (28494401913277).

121320013203011 is a wasteful number, since it uses less digits than its factorization.

121320013203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30485291.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121320013203011 its reverse (110302310023121), we get a palindrome (231622323226132).

The spelling of 121320013203011 in words is "one hundred twenty-one trillion, three hundred twenty billion, thirteen million, two hundred three thousand, eleven".