20122002211 has 8 divisors (see below), whose sum is σ = 20287791200. Its totient is φ = 19956860352.

The previous prime is 20122002143. The next prime is 20122002239. The reversal of 20122002211 is 11220022102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122002211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122002191 and 20122002200.

It is not an unprimeable number, because it can be changed into a prime (20122002911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99240 + ... + 223813.

It is an arithmetic number, because the mean of its divisors is an integer number (2535973900).

Almost surely, 2^20122002211 is an apocalyptic number.

20122002211 is a deficient number, since it is larger than the sum of its proper divisors (165788989).

20122002211 is a wasteful number, since it uses less digits than its factorization.

20122002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323565.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122002211 its reverse (11220022102), we get a palindrome (31342024313).

The spelling of 20122002211 in words is "twenty billion, one hundred twenty-two million, two thousand, two hundred eleven".