121220022337 has 2 divisors, whose sum is σ = 121220022338. Its totient is φ = 121220022336.

The previous prime is 121220022271. The next prime is 121220022379. The reversal of 121220022337 is 733220022121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79078501681 + 42141520656 = 281209^2 + 205284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121220022337 is a prime.

It is not a weakly prime, because it can be changed into another prime (121220092337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610011168 + 60610011169.

It is an arithmetic number, because the mean of its divisors is an integer number (60610011169).

Almost surely, 2^121220022337 is an apocalyptic number.

It is an amenable number.

121220022337 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220022337 is an equidigital number, since it uses as much as digits as its factorization.

121220022337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 121220022337 its reverse (733220022121), we get a palindrome (854440044458).

The spelling of 121220022337 in words is "one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, three hundred thirty-seven".