122102102311031 has 4 divisors (see below), whose sum is σ = 122102136951432. Its totient is φ = 122102067670632.

The previous prime is 122102102311019. The next prime is 122102102311043. The reversal of 122102102311031 is 130113201201221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122102102311019) and next prime (122102102311043).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102102311031 is a prime.

It is a super-2 number, since 2×122102102311031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102102310994 and 122102102311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102102311051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11346056 + ... + 19311581.

It is an arithmetic number, because the mean of its divisors is an integer number (30525534237858).

Almost surely, 2^{122102102311031} is an apocalyptic number.

122102102311031 is a deficient number, since it is larger than the sum of its proper divisors (34640401).

122102102311031 is an equidigital number, since it uses as much as digits as its factorization.

122102102311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34640400.

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

Adding to 122102102311031 its reverse (130113201201221), we get a palindrome (252215303512252).

The spelling of 122102102311031 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred two million, three hundred eleven thousand, thirty-one".