20012022021211 has 8 divisors (see below), whose sum is σ = 21841047244800. Its totient is φ = 18184621880040.

The previous prime is 20012022021179. The next prime is 20012022021227. The reversal of 20012022021211 is 11212022021002.

It is a happy number.

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

It is not a de Polignac number, because 20012022021211 - 2⁵ = 20012022021179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012022022211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406244851 + ... + 406294108.

It is an arithmetic number, because the mean of its divisors is an integer number (2730130905600).

Almost surely, 2^{20012022021211} is an apocalyptic number.

20012022021211 is a deficient number, since it is larger than the sum of its proper divisors (1829025223589).

20012022021211 is a wasteful number, since it uses less digits than its factorization.

20012022021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812541209.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012022021211 its reverse (11212022021002), we get a palindrome (31224044042213).

The spelling of 20012022021211 in words is "twenty trillion, twelve billion, twenty-two million, twenty-one thousand, two hundred eleven".