11022011231131 has 2 divisors, whose sum is σ = 11022011231132. Its totient is φ = 11022011231130.

The previous prime is 11022011231129. The next prime is 11022011231201. The reversal of 11022011231131 is 13113211022011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11022011231131 - 2¹ = 11022011231129 is a prime.

It is a super-2 number, since 2×11022011231131² (a number of 27 digits) contains 22 as substring.

Together with 11022011231129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11022011231099 and 11022011231108.

It is not a weakly prime, because it can be changed into another prime (11022011231531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511005615565 + 5511005615566.

It is an arithmetic number, because the mean of its divisors is an integer number (5511005615566).

Almost surely, 2^{11022011231131} is an apocalyptic number.

11022011231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022011231131 is an equidigital number, since it uses as much as digits as its factorization.

11022011231131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11022011231131 its reverse (13113211022011), we get a palindrome (24135222253142).

It can be divided in two parts, 1102201 and 1231131, that added together give a palindrome (2333332).

The spelling of 11022011231131 in words is "eleven trillion, twenty-two billion, eleven million, two hundred thirty-one thousand, one hundred thirty-one".