103220121021 has 8 divisors (see below), whose sum is σ = 137700158304. Its totient is φ = 68776748880.

The previous prime is 103220121001. The next prime is 103220121071. The reversal of 103220121021 is 120121022301.

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

It is not a de Polignac number, because 103220121021 - 2²⁷ = 103085903293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220121001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159715 + ... + 9170976.

It is an arithmetic number, because the mean of its divisors is an integer number (17212519788).

Almost surely, 2^103220121021 is an apocalyptic number.

It is an amenable number.

103220121021 is a deficient number, since it is larger than the sum of its proper divisors (34480037283).

103220121021 is a wasteful number, since it uses less digits than its factorization.

103220121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332571.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 103220121021 its reverse (120121022301), we get a palindrome (223341143322).

The spelling of 103220121021 in words is "one hundred three billion, two hundred twenty million, one hundred twenty-one thousand, twenty-one".