1111002211001 has 8 divisors (see below), whose sum is σ = 1209802771200. Its totient is φ = 1016234326800.

The previous prime is 1111002210973. The next prime is 1111002211009. The reversal of 1111002211001 is 1001122001111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1111002211001 is a prime.

It is a super-2 number, since 2×1111002211001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111002211009) 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, 1008168425 + ... + 1008169526.

It is an arithmetic number, because the mean of its divisors is an integer number (151225346400).

Almost surely, 2^{1111002211001} is an apocalyptic number.

It is an amenable number.

1111002211001 is a deficient number, since it is larger than the sum of its proper divisors (98800560199).

1111002211001 is a wasteful number, since it uses less digits than its factorization.

1111002211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016337999.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111002211001 its reverse (1001122001111), we get a palindrome (2112124212112).

The spelling of 1111002211001 in words is "one trillion, one hundred eleven billion, two million, two hundred eleven thousand, one".