22020101020221 has 16 divisors (see below), whose sum is σ = 31087606757184. Its totient is φ = 13816353832704.

The previous prime is 22020101020201. The next prime is 22020101020231. The reversal of 22020101020221 is 12202010102022.

It is not a de Polignac number, because 22020101020221 - 2⁶ = 22020101020157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22020101020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020101020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190610 + ... + 6742236.

It is an arithmetic number, because the mean of its divisors is an integer number (1942975422324).

Almost surely, 2^{22020101020221} is an apocalyptic number.

It is an amenable number.

22020101020221 is a deficient number, since it is larger than the sum of its proper divisors (9067505736963).

22020101020221 is a wasteful number, since it uses less digits than its factorization.

22020101020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629420.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020101020221 its reverse (12202010102022), we get a palindrome (34222111122243).

The spelling of 22020101020221 in words is "twenty-two trillion, twenty billion, one hundred one million, twenty thousand, two hundred twenty-one".