122100021311231 has 2 divisors, whose sum is σ = 122100021311232. Its totient is φ = 122100021311230.

The previous prime is 122100021311167. The next prime is 122100021311237. The reversal of 122100021311231 is 132113120001221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122100021311231 - 2⁶ = 122100021311167 is a prime.

It is a super-2 number, since 2×122100021311231² (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 (122100021311237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050010655615 + 61050010655616.

It is an arithmetic number, because the mean of its divisors is an integer number (61050010655616).

Almost surely, 2^{122100021311231} is an apocalyptic number.

122100021311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100021311231 is an equidigital number, since it uses as much as digits as its factorization.

122100021311231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 122100021311231 its reverse (132113120001221), we get a palindrome (254213141312452).

The spelling of 122100021311231 in words is "one hundred twenty-two trillion, one hundred billion, twenty-one million, three hundred eleven thousand, two hundred thirty-one".