122002142231 has 2 divisors, whose sum is σ = 122002142232. Its totient is φ = 122002142230.

The previous prime is 122002142189. The next prime is 122002142237. The reversal of 122002142231 is 132241200221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002142231 is a prime.

It is a super-2 number, since 2×122002142231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002142237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001071115 + 61001071116.

It is an arithmetic number, because the mean of its divisors is an integer number (61001071116).

Almost surely, 2^122002142231 is an apocalyptic number.

122002142231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002142231 is an equidigital number, since it uses as much as digits as its factorization.

122002142231 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 20.

Adding to 122002142231 its reverse (132241200221), we get a palindrome (254243342452).

The spelling of 122002142231 in words is "one hundred twenty-two billion, two million, one hundred forty-two thousand, two hundred thirty-one".