11002111212001 has 16 divisors (see below), whose sum is σ = 13644426837888. Its totient is φ = 8638516972800.

The previous prime is 11002111211969. The next prime is 11002111212067. The reversal of 11002111212001 is 10021211120011.

It is a happy number.

It is not a de Polignac number, because 11002111212001 - 2⁵ = 11002111211969 is a prime.

It is a super-2 number, since 2×11002111212001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11002111222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461447320 + ... + 461471161.

It is an arithmetic number, because the mean of its divisors is an integer number (852776677368).

Almost surely, 2^{11002111212001} is an apocalyptic number.

It is an amenable number.

11002111212001 is a deficient number, since it is larger than the sum of its proper divisors (2642315625887).

11002111212001 is a wasteful number, since it uses less digits than its factorization.

11002111212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922918632.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11002111212001 its reverse (10021211120011), we get a palindrome (21023322332012).

The spelling of 11002111212001 in words is "eleven trillion, two billion, one hundred eleven million, two hundred twelve thousand, one".