222120102102061 has 2 divisors, whose sum is σ = 222120102102062. Its totient is φ = 222120102102060.

The previous prime is 222120102101981. The next prime is 222120102102113. The reversal of 222120102102061 is 160201201021222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196044270499561 + 26075831602500 = 14001581^2 + 5106450^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120102102061 - 2¹⁵ = 222120102069293 is a prime.

It is a super-3 number, since 3×222120102102061³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120102102361) 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 as a sum of consecutive naturals, namely, 111060051051030 + 111060051051031.

It is an arithmetic number, because the mean of its divisors is an integer number (111060051051031).

Almost surely, 2^{222120102102061} is an apocalyptic number.

It is an amenable number.

222120102102061 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120102102061 is an equidigital number, since it uses as much as digits as its factorization.

222120102102061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 222120102102061 its reverse (160201201021222), we get a palindrome (382321303123283).

The spelling of 222120102102061 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred two million, one hundred two thousand, sixty-one".