20022001001211 has 32 divisors (see below), whose sum is σ = 29152404951552. Its totient is φ = 12122262696960.

The previous prime is 20022001001033. The next prime is 20022001001227. The reversal of 20022001001211 is 11210010022002.

It is not a de Polignac number, because 20022001001211 - 2¹⁵ = 20022000968443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022001001281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137950266 + ... + 138095328.

It is an arithmetic number, because the mean of its divisors is an integer number (911012654736).

Almost surely, 2^{20022001001211} is an apocalyptic number.

20022001001211 is a deficient number, since it is larger than the sum of its proper divisors (9130403950341).

20022001001211 is a wasteful number, since it uses less digits than its factorization.

20022001001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149283.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20022001001211 its reverse (11210010022002), we get a palindrome (31232011023213).

The spelling of 20022001001211 in words is "twenty trillion, twenty-two billion, one million, one thousand, two hundred eleven".