11001221110992 has 40 divisors (see below), whose sum is σ = 32479795662016. Its totient is φ = 3143206031616.

The previous prime is 11001221110949. The next prime is 11001221110993. The reversal of 11001221110992 is 29901112210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001221110993) 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, 16370864413 + ... + 16370865084.

Almost surely, 2^{11001221110992} is an apocalyptic number.

11001221110992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001221110992 is an abundant number, since it is smaller than the sum of its proper divisors (21478574551024).

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

11001221110992 is a wasteful number, since it uses less digits than its factorization.

11001221110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32741729515 (or 32741729509 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 11001221110992 in words is "eleven trillion, one billion, two hundred twenty-one million, one hundred ten thousand, nine hundred ninety-two".