11020310121 has 8 divisors (see below), whose sum is σ = 14747968384. Its totient is φ = 7319762640.

The previous prime is 11020310117. The next prime is 11020310123. The reversal of 11020310121 is 12101302011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11020310121 - 2² = 11020310117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020310097 and 11020310106.

It is not an unprimeable number, because it can be changed into a prime (11020310123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776746 + ... + 6778371.

It is an arithmetic number, because the mean of its divisors is an integer number (1843496048).

Almost surely, 2^11020310121 is an apocalyptic number.

It is an amenable number.

11020310121 is a deficient number, since it is larger than the sum of its proper divisors (3727658263).

11020310121 is a wasteful number, since it uses less digits than its factorization.

11020310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555391.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11020310121 its reverse (12101302011), we get a palindrome (23121612132).

The spelling of 11020310121 in words is "eleven billion, twenty million, three hundred ten thousand, one hundred twenty-one".