11100121221232 has 10 divisors (see below), whose sum is σ = 21506484866168. Its totient is φ = 5550060610608.

The previous prime is 11100121221223. The next prime is 11100121221247. The reversal of 11100121221232 is 23212212100111.

It is a super-2 number, since 2×11100121221232² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346878788148 + ... + 346878788179.

Almost surely, 2^{11100121221232} is an apocalyptic number.

It is an amenable number.

11100121221232 is a deficient number, since it is larger than the sum of its proper divisors (10406363644936).

11100121221232 is an equidigital number, since it uses as much as digits as its factorization.

11100121221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693757576335 (or 693757576329 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11100121221232 its reverse (23212212100111), we get a palindrome (34312333321343).

The spelling of 11100121221232 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred thirty-two".