103020100221 has 16 divisors (see below), whose sum is σ = 145937145600. Its totient is φ = 64519576128.

The previous prime is 103020100207. The next prime is 103020100223. The reversal of 103020100221 is 122001020301.

It is not a de Polignac number, because 103020100221 - 2⁵ = 103020100189 is a prime.

It is a super-2 number, since 2×103020100221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103020100197 and 103020100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15998661 + ... + 16005098.

It is an arithmetic number, because the mean of its divisors is an integer number (9121071600).

Almost surely, 2^103020100221 is an apocalyptic number.

It is an amenable number.

103020100221 is a deficient number, since it is larger than the sum of its proper divisors (42917045379).

103020100221 is a wasteful number, since it uses less digits than its factorization.

103020100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32003828.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 103020100221 its reverse (122001020301), we get a palindrome (225021120522).

The spelling of 103020100221 in words is "one hundred three billion, twenty million, one hundred thousand, two hundred twenty-one".