122302131021 has 24 divisors (see below), whose sum is σ = 201930917760. Its totient is φ = 69874700256.

The previous prime is 122302131019. The next prime is 122302131059. The reversal of 122302131021 is 120131203221.

It is not a de Polignac number, because 122302131021 - 2¹ = 122302131019 is a prime.

It is a super-2 number, since 2×122302131021² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122302130985 and 122302131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122302131421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199240 + ... + 533198.

It is an arithmetic number, because the mean of its divisors is an integer number (8413788240).

Almost surely, 2^122302131021 is an apocalyptic number.

It is an amenable number.

122302131021 is a deficient number, since it is larger than the sum of its proper divisors (79628786739).

122302131021 is a wasteful number, since it uses less digits than its factorization.

122302131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339785 (or 339782 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122302131021 its reverse (120131203221), we get a palindrome (242433334242).

The spelling of 122302131021 in words is "one hundred twenty-two billion, three hundred two million, one hundred thirty-one thousand, twenty-one".