22220121111201 has 64 divisors (see below), whose sum is σ = 35597761597440. Its totient is φ = 13617321791040.

The previous prime is 22220121111197. The next prime is 22220121111233. The reversal of 22220121111201 is 10211112102222.

22220121111201 is a `hidden beast` number, since 22 + 220 + 1 + 211 + 11 + 201 = 666.

It is not a de Polignac number, because 22220121111201 - 2² = 22220121111197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22220121111701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215587786 + ... + 215690828.

It is an arithmetic number, because the mean of its divisors is an integer number (556215024960).

Almost surely, 2^{22220121111201} is an apocalyptic number.

It is an amenable number.

22220121111201 is a deficient number, since it is larger than the sum of its proper divisors (13377640486239).

22220121111201 is a wasteful number, since it uses less digits than its factorization.

22220121111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105603 (or 105597 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22220121111201 its reverse (10211112102222), we get a palindrome (32431233213423).

The spelling of 22220121111201 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, two hundred one".