10020121302111 has 4 divisors (see below), whose sum is σ = 13360161736152. Its totient is φ = 6680080868072.

The previous prime is 10020121302109. The next prime is 10020121302133. The reversal of 10020121302111 is 11120312102001.

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 10020121302111 - 2¹ = 10020121302109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020121302161) 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, 1670020217016 + ... + 1670020217021.

It is an arithmetic number, because the mean of its divisors is an integer number (3340040434038).

Almost surely, 2^{10020121302111} is an apocalyptic number.

10020121302111 is a deficient number, since it is larger than the sum of its proper divisors (3340040434041).

10020121302111 is an equidigital number, since it uses as much as digits as its factorization.

10020121302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340040434040.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10020121302111 its reverse (11120312102001), we get a palindrome (21140433404112).

The spelling of 10020121302111 in words is "ten trillion, twenty billion, one hundred twenty-one million, three hundred two thousand, one hundred eleven".