1100120021099 has 8 divisors (see below), whose sum is σ = 1200197030448. Its totient is φ = 1000054028160.

The previous prime is 1100120021081. The next prime is 1100120021131. The reversal of 1100120021099 is 9901200210011.

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

It is not a de Polignac number, because 1100120021099 - 2³² = 1095825053803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100120021699) 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, 2544602 + ... + 2945375.

It is an arithmetic number, because the mean of its divisors is an integer number (150024628806).

Almost surely, 2^{1100120021099} is an apocalyptic number.

1100120021099 is a deficient number, since it is larger than the sum of its proper divisors (100077009349).

1100120021099 is a wasteful number, since it uses less digits than its factorization.

1100120021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508205.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 1100120021099 in words is "one trillion, one hundred billion, one hundred twenty million, twenty-one thousand, ninety-nine".