20022210121211 has 16 divisors (see below), whose sum is σ = 20395781462784. Its totient is φ = 19650872333664.

The previous prime is 20022210121157. The next prime is 20022210121229. The reversal of 20022210121211 is 11212101222002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022210121211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022210121211.

It is not an unprimeable number, because it can be changed into a prime (20022210141211) 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, 75387896 + ... + 75653018.

It is an arithmetic number, because the mean of its divisors is an integer number (1274736341424).

Almost surely, 2^{20022210121211} is an apocalyptic number.

20022210121211 is a deficient number, since it is larger than the sum of its proper divisors (373571341573).

20022210121211 is a wasteful number, since it uses less digits than its factorization.

20022210121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269330.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20022210121211 its reverse (11212101222002), we get a palindrome (31234311343213).

The spelling of 20022210121211 in words is "twenty trillion, twenty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred eleven".