103312222121 has 4 divisors (see below), whose sum is σ = 103315387392. Its totient is φ = 103309056852.

The previous prime is 103312222109. The next prime is 103312222133. The reversal of 103312222121 is 121222213301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121222213301 = 7 ⋅17317459043.

It is an interprime number because it is at equal distance from previous prime (103312222109) and next prime (103312222133).

It is a cyclic number.

It is not a de Polignac number, because 103312222121 - 2¹⁸ = 103311959977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103312222093 and 103312222102.

It is not an unprimeable number, because it can be changed into a prime (103312222141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533161 + ... + 1599126.

It is an arithmetic number, because the mean of its divisors is an integer number (25828846848).

Almost surely, 2^103312222121 is an apocalyptic number.

It is an amenable number.

103312222121 is a deficient number, since it is larger than the sum of its proper divisors (3165271).

103312222121 is an equidigital number, since it uses as much as digits as its factorization.

103312222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165270.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103312222121 its reverse (121222213301), we get a palindrome (224534435422).

The spelling of 103312222121 in words is "one hundred three billion, three hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".