20010022221001 has 16 divisors (see below), whose sum is σ = 20311549632000. Its totient is φ = 19709714239488.

The previous prime is 20010022220957. The next prime is 20010022221017. The reversal of 20010022221001 is 10012222001002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20010022221001 - 2³¹ = 20007874737353 is a prime.

It is a super-3 number, since 3×20010022221001³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010022221031) 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 15 ways as a sum of consecutive naturals, for example, 252762241 + ... + 252841393.

It is an arithmetic number, because the mean of its divisors is an integer number (1269471852000).

Almost surely, 2^{20010022221001} is an apocalyptic number.

It is an amenable number.

20010022221001 is a deficient number, since it is larger than the sum of its proper divisors (301527410999).

20010022221001 is an equidigital number, since it uses as much as digits as its factorization.

20010022221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86808.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010022221001 its reverse (10012222001002), we get a palindrome (30022244222003).

The spelling of 20010022221001 in words is "twenty trillion, ten billion, twenty-two million, two hundred twenty-one thousand, one".