1002211121099 has 4 divisors (see below), whose sum is σ = 1002214790136. Its totient is φ = 1002207452064.

The previous prime is 1002211121081. The next prime is 1002211121113. The reversal of 1002211121099 is 9901211122001.

1002211121099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002211121099 - 2²⁴ = 1002194343883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002211121059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388669 + ... + 1983134.

It is an arithmetic number, because the mean of its divisors is an integer number (250553697534).

Almost surely, 2^{1002211121099} is an apocalyptic number.

1002211121099 is a deficient number, since it is larger than the sum of its proper divisors (3669037).

1002211121099 is an equidigital number, since it uses as much as digits as its factorization.

1002211121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669036.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1002211121099 in words is "one trillion, two billion, two hundred eleven million, one hundred twenty-one thousand, ninety-nine".