11021112012001 has 32 divisors (see below), whose sum is σ = 13609813817600. Its totient is φ = 8690867861760.

The previous prime is 11021112011981. The next prime is 11021112012017. The reversal of 11021112012001 is 10021021112011.

It is a happy number.

It is not a de Polignac number, because 11021112012001 - 2⁵ = 11021112011969 is a prime.

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 (11021112012041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49172971 + ... + 49396591.

It is an arithmetic number, because the mean of its divisors is an integer number (425306681800).

Almost surely, 2^{11021112012001} is an apocalyptic number.

It is an amenable number.

11021112012001 is a deficient number, since it is larger than the sum of its proper divisors (2588701805599).

11021112012001 is a wasteful number, since it uses less digits than its factorization.

11021112012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225449.

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

Adding to 11021112012001 its reverse (10021021112011), we get a palindrome (21042133124012).

The spelling of 11021112012001 in words is "eleven trillion, twenty-one billion, one hundred twelve million, twelve thousand, one".