103100867821 has 16 divisors (see below), whose sum is σ = 124968215808. Its totient is φ = 83144160000.

The previous prime is 103100867801. The next prime is 103100867851. The reversal of 103100867821 is 128768001301.

It is a cyclic number.

It is not a de Polignac number, because 103100867821 - 2¹⁵ = 103100835053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100867801) 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, 5239180 + ... + 5258821.

It is an arithmetic number, because the mean of its divisors is an integer number (7810513488).

Almost surely, 2^103100867821 is an apocalyptic number.

It is an amenable number.

103100867821 is a deficient number, since it is larger than the sum of its proper divisors (21867347987).

103100867821 is a wasteful number, since it uses less digits than its factorization.

103100867821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498092.

The product of its (nonzero) digits is 16128, while the sum is 37.

It can be divided in two parts, 103100 and 867821, that added together give a triangular number (970921 = T₁₃₉₃).

The spelling of 103100867821 in words is "one hundred three billion, one hundred million, eight hundred sixty-seven thousand, eight hundred twenty-one".