22220201112021 has 48 divisors (see below), whose sum is σ = 36223442910720. Its totient is φ = 13001545872000.

The previous prime is 22220201111951. The next prime is 22220201112049. The reversal of 22220201112021 is 12021110202222.

It is a happy number.

It is not a de Polignac number, because 22220201112021 - 2¹¹ = 22220201109973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220201111985 and 22220201112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220201117021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43936131 + ... + 44438991.

It is an arithmetic number, because the mean of its divisors is an integer number (754655060640).

Almost surely, 2^{22220201112021} is an apocalyptic number.

It is an amenable number.

22220201112021 is a deficient number, since it is larger than the sum of its proper divisors (14003241798699).

22220201112021 is a wasteful number, since it uses less digits than its factorization.

22220201112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518298 (or 518295 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22220201112021 its reverse (12021110202222), we get a palindrome (34241311314243).

The spelling of 22220201112021 in words is "twenty-two trillion, two hundred twenty billion, two hundred one million, one hundred twelve thousand, twenty-one".