20120222021001 has 8 divisors (see below), whose sum is σ = 26928966356160. Its totient is φ = 13362479516592.

The previous prime is 20120222020993. The next prime is 20120222021027. The reversal of 20120222021001 is 10012022202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120222021001 - 2³ = 20120222020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120222021051) 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, 12750456766 + ... + 12750458343.

It is an arithmetic number, because the mean of its divisors is an integer number (3366120794520).

Almost surely, 2^{20120222021001} is an apocalyptic number.

It is an amenable number.

20120222021001 is a deficient number, since it is larger than the sum of its proper divisors (6808744335159).

20120222021001 is a wasteful number, since it uses less digits than its factorization.

20120222021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500915375.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20120222021001 its reverse (10012022202102), we get a palindrome (30132244223103).

The spelling of 20120222021001 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, twenty-one thousand, one".