121210220022253 has 2 divisors, whose sum is σ = 121210220022254. Its totient is φ = 121210220022252.

The previous prime is 121210220022139. The next prime is 121210220022263. The reversal of 121210220022253 is 352220022012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101161694378889 + 20048525643364 = 10057917^2 + 4477558^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210220022253 - 2²⁹ = 121209683151341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210220022263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605110011126 + 60605110011127.

It is an arithmetic number, because the mean of its divisors is an integer number (60605110011127).

Almost surely, 2^{121210220022253} is an apocalyptic number.

It is an amenable number.

121210220022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210220022253 is an equidigital number, since it uses as much as digits as its factorization.

121210220022253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 121210220022253 its reverse (352220022012121), we get a palindrome (473430242034374).

The spelling of 121210220022253 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty million, twenty-two thousand, two hundred fifty-three".