11202122121001 has 16 divisors (see below), whose sum is σ = 12839844971520. Its totient is φ = 9573756460560.

The previous prime is 11202122120989. The next prime is 11202122121023. The reversal of 11202122121001 is 10012122120211.

It is a cyclic number.

It is not a de Polignac number, because 11202122121001 - 2¹⁵ = 11202122088233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202122122001) 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, 70047790 + ... + 70207528.

It is an arithmetic number, because the mean of its divisors is an integer number (802490310720).

Almost surely, 2^{11202122121001} is an apocalyptic number.

It is an amenable number.

11202122121001 is a deficient number, since it is larger than the sum of its proper divisors (1637722850519).

11202122121001 is a wasteful number, since it uses less digits than its factorization.

11202122121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188964.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202122121001 its reverse (10012122120211), we get a palindrome (21214244241212).

The spelling of 11202122121001 in words is "eleven trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, one".