103103022021321 has 32 divisors (see below), whose sum is σ = 169170604462080. Its totient is φ = 54510528082176.

The previous prime is 103103022021317. The next prime is 103103022021359. The reversal of 103103022021321 is 123120220301301.

It is not a de Polignac number, because 103103022021321 - 2² = 103103022021317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (103103022021221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2447470321 + ... + 2447512446.

It is an arithmetic number, because the mean of its divisors is an integer number (5286581389440).

Almost surely, 2^{103103022021321} is an apocalyptic number.

It is an amenable number.

103103022021321 is a deficient number, since it is larger than the sum of its proper divisors (66067582440759).

103103022021321 is a wasteful number, since it uses less digits than its factorization.

103103022021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894982853.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103103022021321 its reverse (123120220301301), we get a palindrome (226223242322622).

The spelling of 103103022021321 in words is "one hundred three trillion, one hundred three billion, twenty-two million, twenty-one thousand, three hundred twenty-one".