121222200020263 has 2 divisors, whose sum is σ = 121222200020264. Its totient is φ = 121222200020262.

The previous prime is 121222200020213. The next prime is 121222200020297. The reversal of 121222200020263 is 362020002222121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121222200020263 - 2⁹ = 121222200019751 is a prime.

It is a super-2 number, since 2×121222200020263² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222200020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611100010131 + 60611100010132.

It is an arithmetic number, because the mean of its divisors is an integer number (60611100010132).

Almost surely, 2^{121222200020263} is an apocalyptic number.

121222200020263 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222200020263 is an equidigital number, since it uses as much as digits as its factorization.

121222200020263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121222200020263 its reverse (362020002222121), we get a palindrome (483242202242384).

The spelling of 121222200020263 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred million, twenty thousand, two hundred sixty-three".