11122010002001 has 4 divisors (see below), whose sum is σ = 11149203180900. Its totient is φ = 11094816823104.

The previous prime is 11122010001979. The next prime is 11122010002021. The reversal of 11122010002001 is 10020001022111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9334644220225 + 1787365781776 = 3055265^2 + 1336924^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122010002001 - 2¹⁰ = 11122010000977 is a prime.

It is a super-2 number, since 2×11122010002001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122010002021) 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, 13596588836 + ... + 13596589653.

It is an arithmetic number, because the mean of its divisors is an integer number (2787300795225).

Almost surely, 2^{11122010002001} is an apocalyptic number.

It is an amenable number.

11122010002001 is a deficient number, since it is larger than the sum of its proper divisors (27193178899).

11122010002001 is an equidigital number, since it uses as much as digits as its factorization.

11122010002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193178898.

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

Adding to 11122010002001 its reverse (10020001022111), we get a palindrome (21142011024112).

The spelling of 11122010002001 in words is "eleven trillion, one hundred twenty-two billion, ten million, two thousand, one".