11212261134 has 16 divisors (see below), whose sum is σ = 22554145872. Its totient is φ = 3715816448.

The previous prime is 11212261121. The next prime is 11212261169. The reversal of 11212261134 is 43116221211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399859 + ... + 5401934.

It is an arithmetic number, because the mean of its divisors is an integer number (1409634117).

Almost surely, 2^11212261134 is an apocalyptic number.

11212261134 is an abundant number, since it is smaller than the sum of its proper divisors (11341884738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212261134 is a wasteful number, since it uses less digits than its factorization.

11212261134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801971.

The product of its digits is 576, while the sum is 24.

Adding to 11212261134 its reverse (43116221211), we get a palindrome (54328482345).

The spelling of 11212261134 in words is "eleven billion, two hundred twelve million, two hundred sixty-one thousand, one hundred thirty-four".