11121132929 has 2 divisors, whose sum is σ = 11121132930. Its totient is φ = 11121132928.

The previous prime is 11121132887. The next prime is 11121132973. The reversal of 11121132929 is 92923112111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10878490000 + 242642929 = 104300^2 + 15577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121132929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121132895 and 11121132904.

It is not a weakly prime, because it can be changed into another prime (11121132229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560566464 + 5560566465.

It is an arithmetic number, because the mean of its divisors is an integer number (5560566465).

Almost surely, 2^11121132929 is an apocalyptic number.

It is an amenable number.

11121132929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121132929 is an equidigital number, since it uses as much as digits as its factorization.

11121132929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 32.

The spelling of 11121132929 in words is "eleven billion, one hundred twenty-one million, one hundred thirty-two thousand, nine hundred twenty-nine".