122121332313031 has 2 divisors, whose sum is σ = 122121332313032. Its totient is φ = 122121332313030.

The previous prime is 122121332313007. The next prime is 122121332313059. The reversal of 122121332313031 is 130313233121221.

It is an a-pointer prime, because the next prime (122121332313059) can be obtained adding 122121332313031 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122121332313031 - 2⁴¹ = 119922309057479 is a prime.

It is a super-2 number, since 2×122121332313031² (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 (122121332313131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060666156515 + 61060666156516.

It is an arithmetic number, because the mean of its divisors is an integer number (61060666156516).

Almost surely, 2^{122121332313031} is an apocalyptic number.

122121332313031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121332313031 is an equidigital number, since it uses as much as digits as its factorization.

122121332313031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 122121332313031 its reverse (130313233121221), we get a palindrome (252434565434252).

The spelling of 122121332313031 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, three hundred thirty-two million, three hundred thirteen thousand, thirty-one".