103102121021210 has 8 divisors (see below), whose sum is σ = 185583817838196. Its totient is φ = 41240848408480.

The previous prime is 103102121021177. The next prime is 103102121021213. The reversal of 103102121021210 is 12120121201301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100839374018161 + 2262747003049 = 10041881^2 + 1504243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (103102121021213) 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, 5155106051051 + ... + 5155106051070.

Almost surely, 2^{103102121021210} is an apocalyptic number.

103102121021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103102121021210 is a deficient number, since it is larger than the sum of its proper divisors (82481696816986).

103102121021210 is a wasteful number, since it uses less digits than its factorization.

103102121021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310212102128.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 103102121021210 its reverse (12120121201301), we get a palindrome (115222242222511).

The spelling of 103102121021210 in words is "one hundred three trillion, one hundred two billion, one hundred twenty-one million, twenty-one thousand, two hundred ten".