20122211201 has 2 divisors, whose sum is σ = 20122211202. Its totient is φ = 20122211200.

The previous prime is 20122211189. The next prime is 20122211203. The reversal of 20122211201 is 10211222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18346431601 + 1775779600 = 135449^2 + 42140^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122211201 - 2³⁴ = 2942342017 is a prime.

Together with 20122211203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20122211203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061105600 + 10061105601.

It is an arithmetic number, because the mean of its divisors is an integer number (10061105601).

Almost surely, 2^20122211201 is an apocalyptic number.

It is an amenable number.

20122211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122211201 is an equidigital number, since it uses as much as digits as its factorization.

20122211201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122211201 its reverse (10211222102), we get a palindrome (30333433303).

The spelling of 20122211201 in words is "twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".