11020302031211 has 12 divisors (see below), whose sum is σ = 12113768079000. Its totient is φ = 10018006854240.

The previous prime is 11020302031177. The next prime is 11020302031243. The reversal of 11020302031211 is 11213020302011.

It is not a de Polignac number, because 11020302031211 - 2¹⁸ = 11020301769067 is a prime.

It is a super-2 number, since 2×11020302031211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020302031211.

It is not an unprimeable number, because it can be changed into a prime (11020302031111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679340 + ... + 4743638.

It is an arithmetic number, because the mean of its divisors is an integer number (1009480673250).

Almost surely, 2^{11020302031211} is an apocalyptic number.

11020302031211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020302031211 is a deficient number, since it is larger than the sum of its proper divisors (1093466047789).

11020302031211 is a wasteful number, since it uses less digits than its factorization.

11020302031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086730 (or 4086719 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11020302031211 its reverse (11213020302011), we get a palindrome (22233322333222).

The spelling of 11020302031211 in words is "eleven trillion, twenty billion, three hundred two million, thirty-one thousand, two hundred eleven".