22020220111021 has 8 divisors (see below), whose sum is σ = 24022092635424. Its totient is φ = 20018353308720.

The previous prime is 22020220110989. The next prime is 22020220111037. The reversal of 22020220111021 is 12011102202022.

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 22020220111021 - 2⁵ = 22020220110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020220110986 and 22020220111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020220111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12593190 + ... + 14234776.

It is an arithmetic number, because the mean of its divisors is an integer number (3002761579428).

Almost surely, 2^{22020220111021} is an apocalyptic number.

It is an amenable number.

22020220111021 is a deficient number, since it is larger than the sum of its proper divisors (2001872524403).

22020220111021 is a wasteful number, since it uses less digits than its factorization.

22020220111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861051.

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

Adding to 22020220111021 its reverse (12011102202022), we get a palindrome (34031322313043).

The spelling of 22020220111021 in words is "twenty-two trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, twenty-one".