103221132021 has 48 divisors (see below), whose sum is σ = 179931523200. Its totient is φ = 55702629504.

The previous prime is 103221132011. The next prime is 103221132041. The reversal of 103221132021 is 120231122301.

103221132021 is a `hidden beast` number, since 1 + 0 + 322 + 1 + 1 + 320 + 21 = 666.

It is not a de Polignac number, because 103221132021 - 2¹⁴ = 103221115637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103221131985 and 103221132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221132011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243435 + ... + 515463.

It is an arithmetic number, because the mean of its divisors is an integer number (3748573400).

Almost surely, 2^103221132021 is an apocalyptic number.

It is an amenable number.

103221132021 is a deficient number, since it is larger than the sum of its proper divisors (76710391179).

103221132021 is a wasteful number, since it uses less digits than its factorization.

103221132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272378 (or 272375 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103221132021 its reverse (120231122301), we get a palindrome (223452254322).

The spelling of 103221132021 in words is "one hundred three billion, two hundred twenty-one million, one hundred thirty-two thousand, twenty-one".