11202111021131 has 2 divisors, whose sum is σ = 11202111021132. Its totient is φ = 11202111021130.

The previous prime is 11202111021061. The next prime is 11202111021301. The reversal of 11202111021131 is 13112011120211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11202111021131 - 2⁴² = 6804064510027 is a prime.

It is a super-3 number, since 3×11202111021131³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11202111021331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601055510565 + 5601055510566.

It is an arithmetic number, because the mean of its divisors is an integer number (5601055510566).

Almost surely, 2^{11202111021131} is an apocalyptic number.

11202111021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202111021131 is an equidigital number, since it uses as much as digits as its factorization.

11202111021131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11202111021131 its reverse (13112011120211), we get a palindrome (24314122141342).

The spelling of 11202111021131 in words is "eleven trillion, two hundred two billion, one hundred eleven million, twenty-one thousand, one hundred thirty-one".