11202120002001 has 16 divisors (see below), whose sum is σ = 15455997408960. Its totient is φ = 7208321211840.

The previous prime is 11202120001999. The next prime is 11202120002009. The reversal of 11202120002001 is 10020002120211.

It is not a de Polignac number, because 11202120002001 - 2¹ = 11202120001999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202120002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19707355 + ... + 20267808.

It is an arithmetic number, because the mean of its divisors is an integer number (965999838060).

Almost surely, 2^{11202120002001} is an apocalyptic number.

It is an amenable number.

11202120002001 is a deficient number, since it is larger than the sum of its proper divisors (4253877406959).

11202120002001 is a wasteful number, since it uses less digits than its factorization.

11202120002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39978416.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11202120002001 its reverse (10020002120211), we get a palindrome (21222122122212).

The spelling of 11202120002001 in words is "eleven trillion, two hundred two billion, one hundred twenty million, two thousand, one".