1211101000099 has 8 divisors (see below), whose sum is σ = 1219084247808. Its totient is φ = 1203126456840.

The previous prime is 1211101000093. The next prime is 1211101000133. The reversal of 1211101000099 is 9900001011121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211101000099 - 2⁷ = 1211100999971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211101000093) 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, 1896807 + ... + 2453584.

It is an arithmetic number, because the mean of its divisors is an integer number (152385530976).

Almost surely, 2^{1211101000099} is an apocalyptic number.

1211101000099 is a deficient number, since it is larger than the sum of its proper divisors (7983247709).

1211101000099 is a wasteful number, since it uses less digits than its factorization.

1211101000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352225.

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

The spelling of 1211101000099 in words is "one trillion, two hundred eleven billion, one hundred one million, ninety-nine", and thus it is an aban number.