121222212010201 has 2 divisors, whose sum is σ = 121222212010202. Its totient is φ = 121222212010200.

The previous prime is 121222212010183. The next prime is 121222212010297. The reversal of 121222212010201 is 102010212222121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106984992656025 + 14237219354176 = 10343355^2 + 3773224^2 .

It is a cyclic number.

It is not a de Polignac number, because 121222212010201 - 2¹⁹ = 121222211485913 is a prime.

It is a super-2 number, since 2×121222212010201² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121222212010901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611106005100 + 60611106005101.

It is an arithmetic number, because the mean of its divisors is an integer number (60611106005101).

Almost surely, 2^{121222212010201} is an apocalyptic number.

It is an amenable number.

121222212010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222212010201 is an equidigital number, since it uses as much as digits as its factorization.

121222212010201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121222212010201 its reverse (102010212222121), we get a palindrome (223232424232322).

The spelling of 121222212010201 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, ten thousand, two hundred one".