122031032021 has 2 divisors, whose sum is σ = 122031032022. Its totient is φ = 122031032020.

The previous prime is 122031031979. The next prime is 122031032023. The reversal of 122031032021 is 120230130221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111229587121 + 10801444900 = 333511^2 + 103930^2 .

It is an emirp because it is prime and its reverse (120230130221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122031032021 is a prime.

It is a super-2 number, since 2×122031032021² (a number of 23 digits) contains 22 as substring.

Together with 122031032023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122031032023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61015516010 + 61015516011.

It is an arithmetic number, because the mean of its divisors is an integer number (61015516011).

Almost surely, 2^122031032021 is an apocalyptic number.

It is an amenable number.

122031032021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122031032021 is an equidigital number, since it uses as much as digits as its factorization.

122031032021 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 17.

Adding to 122031032021 its reverse (120230130221), we get a palindrome (242261162242).

The spelling of 122031032021 in words is "one hundred twenty-two billion, thirty-one million, thirty-two thousand, twenty-one".