20012022201211 has 4 divisors (see below), whose sum is σ = 20012078967424. Its totient is φ = 20011965435000.

The previous prime is 20012022201209. The next prime is 20012022201247. The reversal of 20012022201211 is 11210222021002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20012022201211 - 2¹ = 20012022201209 is a prime.

It is a super-3 number, since 3×20012022201211³ (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 (20012022205211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27850980 + ... + 28560481.

It is an arithmetic number, because the mean of its divisors is an integer number (5003019741856).

Almost surely, 2^{20012022201211} is an apocalyptic number.

20012022201211 is a deficient number, since it is larger than the sum of its proper divisors (56766213).

20012022201211 is an equidigital number, since it uses as much as digits as its factorization.

20012022201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56766212.

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

Adding to 20012022201211 its reverse (11210222021002), we get a palindrome (31222244222213).

The spelling of 20012022201211 in words is "twenty trillion, twelve billion, twenty-two million, two hundred one thousand, two hundred eleven".