11131013011229 has 4 divisors (see below), whose sum is σ = 11389873778976. Its totient is φ = 10872152243484.

The previous prime is 11131013011187. The next prime is 11131013011271. The reversal of 11131013011229 is 92211031013111.

11131013011229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11131013011187) and next prime (11131013011271).

It is a cyclic number.

It is not a de Polignac number, because 11131013011229 - 2¹² = 11131013007133 is a prime.

It is a super-2 number, since 2×11131013011229² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131013011198 and 11131013011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131013011529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129430383809 + ... + 129430383894.

It is an arithmetic number, because the mean of its divisors is an integer number (2847468444744).

Almost surely, 2^{11131013011229} is an apocalyptic number.

It is an amenable number.

11131013011229 is a deficient number, since it is larger than the sum of its proper divisors (258860767747).

11131013011229 is an equidigital number, since it uses as much as digits as its factorization.

11131013011229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258860767746.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 11131013011229 in words is "eleven trillion, one hundred thirty-one billion, thirteen million, eleven thousand, two hundred twenty-nine".