11021301123231 has 48 divisors (see below), whose sum is σ = 17221994592000. Its totient is φ = 6250976105472.

The previous prime is 11021301123179. The next prime is 11021301123289. The reversal of 11021301123231 is 13232110312011.

It is not a de Polignac number, because 11021301123231 - 2¹³ = 11021301115039 is a prime.

It is a super-2 number, since 2×11021301123231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11021301123198 and 11021301123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021301125231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12012420 + ... + 12897318.

It is an arithmetic number, because the mean of its divisors is an integer number (358791554000).

Almost surely, 2^{11021301123231} is an apocalyptic number.

11021301123231 is a deficient number, since it is larger than the sum of its proper divisors (6200693468769).

11021301123231 is a wasteful number, since it uses less digits than its factorization.

11021301123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885548 (or 885541 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11021301123231 its reverse (13232110312011), we get a palindrome (24253411435242).

The spelling of 11021301123231 in words is "eleven trillion, twenty-one billion, three hundred one million, one hundred twenty-three thousand, two hundred thirty-one".