22010111020221 has 8 divisors (see below), whose sum is σ = 29374737452064. Its totient is φ = 14659445967600.

The previous prime is 22010111020211. The next prime is 22010111020243. The reversal of 22010111020221 is 12202011101022.

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

It is not a de Polignac number, because 22010111020221 - 2²¹ = 22010108923069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22010111020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010111020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490341126 + ... + 3490347431.

It is an arithmetic number, because the mean of its divisors is an integer number (3671842181508).

Almost surely, 2^{22010111020221} is an apocalyptic number.

It is an amenable number.

22010111020221 is a deficient number, since it is larger than the sum of its proper divisors (7364626431843).

22010111020221 is a wasteful number, since it uses less digits than its factorization.

22010111020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980689611.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22010111020221 its reverse (12202011101022), we get a palindrome (34212122121243).

The spelling of 22010111020221 in words is "twenty-two trillion, ten billion, one hundred eleven million, twenty thousand, two hundred twenty-one".