11020311010111 has 16 divisors (see below), whose sum is σ = 11882413507104. Its totient is φ = 10160266172544.

The previous prime is 11020311010109. The next prime is 11020311010141. The reversal of 11020311010111 is 11101011302011.

It is a cyclic number.

It is not a de Polignac number, because 11020311010111 - 2¹ = 11020311010109 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020311010091 and 11020311010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020311010141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119432085 + ... + 119524321.

It is an arithmetic number, because the mean of its divisors is an integer number (742650844194).

Almost surely, 2^{11020311010111} is an apocalyptic number.

11020311010111 is a deficient number, since it is larger than the sum of its proper divisors (862102496993).

11020311010111 is a wasteful number, since it uses less digits than its factorization.

11020311010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103290.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11020311010111 its reverse (11101011302011), we get a palindrome (22121322312122).

The spelling of 11020311010111 in words is "eleven trillion, twenty billion, three hundred eleven million, ten thousand, one hundred eleven".