20122221223301 has 2 divisors, whose sum is σ = 20122221223302. Its totient is φ = 20122221223300.

The previous prime is 20122221223217. The next prime is 20122221223327. The reversal of 20122221223301 is 10332212222102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19352969438401 + 769251784900 = 4399201^2 + 877070^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122221223301 - 2²² = 20122217028997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122221223381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061110611650 + 10061110611651.

It is an arithmetic number, because the mean of its divisors is an integer number (10061110611651).

Almost surely, 2^{20122221223301} is an apocalyptic number.

It is an amenable number.

20122221223301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122221223301 is an equidigital number, since it uses as much as digits as its factorization.

20122221223301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20122221223301 its reverse (10332212222102), we get a palindrome (30454433445403).

The spelling of 20122221223301 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred one".