22201212111001 has 24 divisors (see below), whose sum is σ = 28202844707136. Its totient is φ = 17281755378720.

The previous prime is 22201212110989. The next prime is 22201212111011. The reversal of 22201212111001 is 10011121210222.

It is not a de Polignac number, because 22201212111001 - 2¹¹ = 22201212108953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201212111011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20776426 + ... + 21818851.

It is an arithmetic number, because the mean of its divisors is an integer number (1175118529464).

Almost surely, 2^{22201212111001} is an apocalyptic number.

It is an amenable number.

22201212111001 is a deficient number, since it is larger than the sum of its proper divisors (6001632596135).

22201212111001 is a wasteful number, since it uses less digits than its factorization.

22201212111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42596269 (or 42596262 counting only the distinct ones).

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

Adding to 22201212111001 its reverse (10011121210222), we get a palindrome (32212333321223).

The spelling of 22201212111001 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, one hundred eleven thousand, one".