103222122121 has 4 divisors (see below), whose sum is σ = 103225508932. Its totient is φ = 103218735312.

The previous prime is 103222122103. The next prime is 103222122137. The reversal of 103222122121 is 121221222301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55234400400 + 47987721721 = 235020^2 + 219061^2 .

It is a cyclic number.

It is not a de Polignac number, because 103222122121 - 2²¹ = 103220024969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103222122221) 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, 1647270 + ... + 1708783.

It is an arithmetic number, because the mean of its divisors is an integer number (25806377233).

Almost surely, 2^103222122121 is an apocalyptic number.

It is an amenable number.

103222122121 is a deficient number, since it is larger than the sum of its proper divisors (3386811).

103222122121 is an equidigital number, since it uses as much as digits as its factorization.

103222122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386810.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103222122121 its reverse (121221222301), we get a palindrome (224443344422).

The spelling of 103222122121 in words is "one hundred three billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".