22001021053 has 16 divisors (see below), whose sum is σ = 25595801280. Its totient is φ = 18688953600.

The previous prime is 22001021051. The next prime is 22001021173. The reversal of 22001021053 is 35012010022.

It is a cyclic number.

It is not a de Polignac number, because 22001021053 - 2¹ = 22001021051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001021051) 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, 397218 + ... + 449203.

It is an arithmetic number, because the mean of its divisors is an integer number (1599737580).

Almost surely, 2^22001021053 is an apocalyptic number.

It is an amenable number.

22001021053 is a deficient number, since it is larger than the sum of its proper divisors (3594780227).

22001021053 is a wasteful number, since it uses less digits than its factorization.

22001021053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846588.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 22001021053 its reverse (35012010022), we get a palindrome (57013031075).

The spelling of 22001021053 in words is "twenty-two billion, one million, twenty-one thousand, fifty-three".