120002222213221 has 2 divisors, whose sum is σ = 120002222213222. Its totient is φ = 120002222213220.

The previous prime is 120002222213207. The next prime is 120002222213233. The reversal of 120002222213221 is 122312222200021.

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., 117108433372225 + 2893788840996 = 10821665^2 + 1701114^2 .

It is a cyclic number.

It is not a de Polignac number, because 120002222213221 - 2³³ = 119993632278629 is a prime.

It is a super-2 number, since 2×120002222213221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120002222213192 and 120002222213201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120002222217221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001111106610 + 60001111106611.

It is an arithmetic number, because the mean of its divisors is an integer number (60001111106611).

Almost surely, 2^{120002222213221} is an apocalyptic number.

It is an amenable number.

120002222213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002222213221 is an equidigital number, since it uses as much as digits as its factorization.

120002222213221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 120002222213221 its reverse (122312222200021), we get a palindrome (242314444413242).

The spelling of 120002222213221 in words is "one hundred twenty trillion, two billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-one".