22011220201201 has 32 divisors (see below), whose sum is σ = 27579224302848. Its totient is φ = 17066354192640.

The previous prime is 22011220201163. The next prime is 22011220201219. The reversal of 22011220201201 is 10210202211022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22011220201201 - 2⁷ = 22011220201073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011220201301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14930211 + ... + 16338103.

It is an arithmetic number, because the mean of its divisors is an integer number (861850759464).

Almost surely, 2^{22011220201201} is an apocalyptic number.

It is an amenable number.

22011220201201 is a deficient number, since it is larger than the sum of its proper divisors (5568004101647).

22011220201201 is a wasteful number, since it uses less digits than its factorization.

22011220201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408921.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22011220201201 its reverse (10210202211022), we get a palindrome (32221422412223).

The spelling of 22011220201201 in words is "twenty-two trillion, eleven billion, two hundred twenty million, two hundred one thousand, two hundred one".