1100121100099 has 16 divisors (see below), whose sum is σ = 1284570316800. Its totient is φ = 922510973664.

The previous prime is 1100121100097. The next prime is 1100121100103. The reversal of 1100121100099 is 9900011210011.

It is not a de Polignac number, because 1100121100099 - 2¹ = 1100121100097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100121100097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86142 + ... + 1485820.

It is an arithmetic number, because the mean of its divisors is an integer number (80285644800).

Almost surely, 2^{1100121100099} is an apocalyptic number.

1100121100099 is a deficient number, since it is larger than the sum of its proper divisors (184449216701).

1100121100099 is a wasteful number, since it uses less digits than its factorization.

1100121100099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402122.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 1100121100099 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, ninety-nine".