22021202202001 has 8 divisors (see below), whose sum is σ = 23092616387880. Its totient is φ = 20970592175232.

The previous prime is 22021202201951. The next prime is 22021202202019. The reversal of 22021202202001 is 10020220212022.

It can be written as a sum of positive squares in 4 ways, for example, as 5331942810000 + 16689259392001 = 2309100^2 + 4085249^2 .

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 22021202202001 - 2²⁹ = 22020665331089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021202200001) 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, 5201037610 + ... + 5201041843.

It is an arithmetic number, because the mean of its divisors is an integer number (2886577048485).

Almost surely, 2^{22021202202001} is an apocalyptic number.

It is an amenable number.

22021202202001 is a deficient number, since it is larger than the sum of its proper divisors (1071414185879).

22021202202001 is a wasteful number, since it uses less digits than its factorization.

22021202202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402079555.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22021202202001 its reverse (10020220212022), we get a palindrome (32041422414023).

The spelling of 22021202202001 in words is "twenty-two trillion, twenty-one billion, two hundred two million, two hundred two thousand, one".