20220210221201 has 4 divisors (see below), whose sum is σ = 20293207370292. Its totient is φ = 20147213072112.

The previous prime is 20220210221053. The next prime is 20220210221213. The reversal of 20220210221201 is 10212201202202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11429815401601 + 8790394819600 = 3380801^2 + 2964860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220210221201 is a prime.

It is a super-2 number, since 2×20220210221201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220210221201.

It is not an unprimeable number, because it can be changed into a prime (20220210220201) 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 3 ways as a sum of consecutive naturals, for example, 36498574130 + ... + 36498574683.

It is an arithmetic number, because the mean of its divisors is an integer number (5073301842573).

Almost surely, 2^{20220210221201} is an apocalyptic number.

It is an amenable number.

20220210221201 is a deficient number, since it is larger than the sum of its proper divisors (72997149091).

20220210221201 is an equidigital number, since it uses as much as digits as its factorization.

20220210221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72997149090.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220210221201 its reverse (10212201202202), we get a palindrome (30432411423403).

The spelling of 20220210221201 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred one".