11111021134 has 8 divisors (see below), whose sum is σ = 17543717640. Its totient is φ = 5263115256.

The previous prime is 11111021113. The next prime is 11111021149. The reversal of 11111021134 is 43112011111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146197609 + ... + 146197684.

It is an arithmetic number, because the mean of its divisors is an integer number (2192964705).

Almost surely, 2^11111021134 is an apocalyptic number.

11111021134 is a deficient number, since it is larger than the sum of its proper divisors (6432696506).

11111021134 is a wasteful number, since it uses less digits than its factorization.

11111021134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292395314.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11111021134 its reverse (43112011111), we get a palindrome (54223032245).

The spelling of 11111021134 in words is "eleven billion, one hundred eleven million, twenty-one thousand, one hundred thirty-four".