103120130021 has 8 divisors (see below), whose sum is σ = 103949667360. Its totient is φ = 102291845328.

The previous prime is 103120129963. The next prime is 103120130039. The reversal of 103120130021 is 120031021301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103120130021 is a prime.

It is a super-2 number, since 2×103120130021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103120129978 and 103120130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120130521) 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, 147506 + ... + 477491.

It is an arithmetic number, because the mean of its divisors is an integer number (12993708420).

Almost surely, 2^103120130021 is an apocalyptic number.

It is an amenable number.

103120130021 is a deficient number, since it is larger than the sum of its proper divisors (829537339).

103120130021 is a wasteful number, since it uses less digits than its factorization.

103120130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626323.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103120130021 its reverse (120031021301), we get a palindrome (223151151322).

The spelling of 103120130021 in words is "one hundred three billion, one hundred twenty million, one hundred thirty thousand, twenty-one".