22220111020021 has 8 divisors (see below), whose sum is σ = 22223021932800. Its totient is φ = 22217200304880.

The previous prime is 22220111020013. The next prime is 22220111020123. The reversal of 22220111020021 is 12002011102222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22220111020021 - 2³ = 22220111020013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220111019977 and 22220111020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220111027021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478126816 + ... + 478173286.

It is an arithmetic number, because the mean of its divisors is an integer number (2777877741600).

Almost surely, 2^{22220111020021} is an apocalyptic number.

It is an amenable number.

22220111020021 is a deficient number, since it is larger than the sum of its proper divisors (2910912779).

22220111020021 is a wasteful number, since it uses less digits than its factorization.

22220111020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98819.

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

Adding to 22220111020021 its reverse (12002011102222), we get a palindrome (34222122122243).

The spelling of 22220111020021 in words is "twenty-two trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, twenty-one".