103231312002122 has 4 divisors (see below), whose sum is σ = 154846968003186. Its totient is φ = 51615656001060.

The previous prime is 103231312002121. The next prime is 103231312002127. The reversal of 103231312002122 is 221200213132301.

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

It can be written as a sum of positive squares in only one way, i.e., 64558348502041 + 38672963500081 = 8034821^2 + 6218759^2 .

It is not an unprimeable number, because it can be changed into a prime (103231312002121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25807828000529 + ... + 25807828000532.

Almost surely, 2^{103231312002122} is an apocalyptic number.

103231312002122 is a deficient number, since it is larger than the sum of its proper divisors (51615656001064).

103231312002122 is an equidigital number, since it uses as much as digits as its factorization.

103231312002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51615656001063.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 103231312002122 its reverse (221200213132301), we get a palindrome (324431525134423).

The spelling of 103231312002122 in words is "one hundred three trillion, two hundred thirty-one billion, three hundred twelve million, two thousand, one hundred twenty-two".