11220201022001 has 16 divisors (see below), whose sum is σ = 11563492082688. Its totient is φ = 10880425036800.

The previous prime is 11220201021979. The next prime is 11220201022003. The reversal of 11220201022001 is 10022010202211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220201022001 is a prime.

It is a super-2 number, since 2×11220201022001² (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 (11220201022003) 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, 3254720 + ... + 5747486.

It is an arithmetic number, because the mean of its divisors is an integer number (722718255168).

Almost surely, 2^{11220201022001} is an apocalyptic number.

It is an amenable number.

11220201022001 is a deficient number, since it is larger than the sum of its proper divisors (343291060687).

11220201022001 is a wasteful number, since it uses less digits than its factorization.

11220201022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493472.

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

Adding to 11220201022001 its reverse (10022010202211), we get a palindrome (21242211224212).

The spelling of 11220201022001 in words is "eleven trillion, two hundred twenty billion, two hundred one million, twenty-two thousand, one".