103221210122 has 4 divisors (see below), whose sum is σ = 154831815186. Its totient is φ = 51610605060.

The previous prime is 103221210121. The next prime is 103221210143. The reversal of 103221210122 is 221012122301.

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., 64816577281 + 38404632841 = 254591^2 + 195971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103221210122.

It is not an unprimeable number, because it can be changed into a prime (103221210121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25805302529 + ... + 25805302532.

Almost surely, 2^103221210122 is an apocalyptic number.

103221210122 is a deficient number, since it is larger than the sum of its proper divisors (51610605064).

103221210122 is an equidigital number, since it uses as much as digits as its factorization.

103221210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51610605063.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 103221210122 its reverse (221012122301), we get a palindrome (324233332423).

The spelling of 103221210122 in words is "one hundred three billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".