11220201202001 has 16 divisors (see below), whose sum is σ = 12305089133568. Its totient is φ = 10146131692800.

The previous prime is 11220201201997. The next prime is 11220201202009. The reversal of 11220201202001 is 10020210202211.

It is a cyclic number.

It is not a de Polignac number, because 11220201202001 - 2² = 11220201201997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220201202009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34456121 + ... + 34780233.

It is an arithmetic number, because the mean of its divisors is an integer number (769068070848).

Almost surely, 2^{11220201202001} is an apocalyptic number.

11220201202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220201202001 is a deficient number, since it is larger than the sum of its proper divisors (1084887931567).

11220201202001 is a wasteful number, since it uses less digits than its factorization.

11220201202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340792.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220201202001 its reverse (10020210202211), we get a palindrome (21240411404212).

The spelling of 11220201202001 in words is "eleven trillion, two hundred twenty billion, two hundred one million, two hundred two thousand, one".