11132121011 has 8 divisors (see below), whose sum is σ = 12211228848. Its totient is φ = 10064196000.

The previous prime is 11132120983. The next prime is 11132121019. The reversal of 11132121011 is 11012123111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11132121011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132121019) 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, 2793620 + ... + 2797601.

It is an arithmetic number, because the mean of its divisors is an integer number (1526403606).

Almost surely, 2^11132121011 is an apocalyptic number.

11132121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11132121011 is a deficient number, since it is larger than the sum of its proper divisors (1079107837).

11132121011 is a wasteful number, since it uses less digits than its factorization.

11132121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591413.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11132121011 its reverse (11012123111), we get a palindrome (22144244122).

The spelling of 11132121011 in words is "eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, eleven".