22211020222021 has 16 divisors (see below), whose sum is σ = 23018572431360. Its totient is φ = 21409200282240.

The previous prime is 22211020222019. The next prime is 22211020222031. The reversal of 22211020222021 is 12022202011222.

It is a cyclic number.

It is not a de Polignac number, because 22211020222021 - 2¹ = 22211020222019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22211020222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211020222031) 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, 32745105 + ... + 33416521.

It is an arithmetic number, because the mean of its divisors is an integer number (1438660776960).

Almost surely, 2^{22211020222021} is an apocalyptic number.

It is an amenable number.

22211020222021 is a deficient number, since it is larger than the sum of its proper divisors (807552209339).

22211020222021 is a wasteful number, since it uses less digits than its factorization.

22211020222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675684.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22211020222021 its reverse (12022202011222), we get a palindrome (34233222233243).

The spelling of 22211020222021 in words is "twenty-two trillion, two hundred eleven billion, twenty million, two hundred twenty-two thousand, twenty-one".