103221210131 has 32 divisors (see below), whose sum is σ = 115947127296. Its totient is φ = 91274400000.

The previous prime is 103221210121. The next prime is 103221210143. The reversal of 103221210131 is 131012122301.

It is a cyclic number.

It is not a de Polignac number, because 103221210131 - 2¹⁰ = 103221209107 is a prime.

It is a super-2 number, since 2×103221210131² (a number of 23 digits) contains 22 as substring.

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 in 31 ways as a sum of consecutive naturals, for example, 9493160 + ... + 9504026.

It is an arithmetic number, because the mean of its divisors is an integer number (3623347728).

Almost surely, 2^103221210131 is an apocalyptic number.

103221210131 is a deficient number, since it is larger than the sum of its proper divisors (12725917165).

103221210131 is a wasteful number, since it uses less digits than its factorization.

103221210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103221210131 its reverse (131012122301), we get a palindrome (234233332432).

The spelling of 103221210131 in words is "one hundred three billion, two hundred twenty-one million, two hundred ten thousand, one hundred thirty-one".