1211130434011 has 8 divisors (see below), whose sum is σ = 1276817026464. Its totient is φ = 1146529570560.

The previous prime is 1211130433979. The next prime is 1211130434023. The reversal of 1211130434011 is 1104340311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211130434011 - 2⁵ = 1211130433979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211130434071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271429960 + ... + 271434421.

It is an arithmetic number, because the mean of its divisors is an integer number (159602128308).

Almost surely, 2^{1211130434011} is an apocalyptic number.

1211130434011 is a deficient number, since it is larger than the sum of its proper divisors (65686592453).

1211130434011 is an equidigital number, since it uses as much as digits as its factorization.

1211130434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542864501.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1211130434011 its reverse (1104340311121), we get a palindrome (2315470745132).

The spelling of 1211130434011 in words is "one trillion, two hundred eleven billion, one hundred thirty million, four hundred thirty-four thousand, eleven".