1001002212011 has 4 divisors (see below), whose sum is σ = 1005491011392. Its totient is φ = 996513412632.

The previous prime is 1001002211983. The next prime is 1001002212013. The reversal of 1001002212011 is 1102122001001.

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 1001002212011 - 2³⁰ = 999928470187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001002211983 and 1001002212001.

It is not an unprimeable number, because it can be changed into a prime (1001002212013) 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, 2244399356 + ... + 2244399801.

It is an arithmetic number, because the mean of its divisors is an integer number (251372752848).

Almost surely, 2^{1001002212011} is an apocalyptic number.

1001002212011 is a deficient number, since it is larger than the sum of its proper divisors (4488799381).

1001002212011 is an equidigital number, since it uses as much as digits as its factorization.

1001002212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488799380.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001002212011 its reverse (1102122001001), we get a palindrome (2103124213012).

The spelling of 1001002212011 in words is "one trillion, one billion, two million, two hundred twelve thousand, eleven".