20122221032211 has 16 divisors (see below), whose sum is σ = 27047398252544. Its totient is φ = 13305979802304.

The previous prime is 20122221032203. The next prime is 20122221032299. The reversal of 20122221032211 is 11223012222102.

It is not a de Polignac number, because 20122221032211 - 2³ = 20122221032203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122221032611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4776271 + ... + 7940856.

It is an arithmetic number, because the mean of its divisors is an integer number (1690462390784).

Almost surely, 2^{20122221032211} is an apocalyptic number.

20122221032211 is a deficient number, since it is larger than the sum of its proper divisors (6925177220333).

20122221032211 is a wasteful number, since it uses less digits than its factorization.

20122221032211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721410.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20122221032211 its reverse (11223012222102), we get a palindrome (31345233254313).

The spelling of 20122221032211 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, thirty-two thousand, two hundred eleven".