100310421421 has 16 divisors (see below), whose sum is σ = 118626618240. Its totient is φ = 82992409920.

The previous prime is 100310421413. The next prime is 100310421521. The reversal of 100310421421 is 124124013001.

It is not a de Polignac number, because 100310421421 - 2³ = 100310421413 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 (100310421401) 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, 682335 + ... + 816211.

It is an arithmetic number, because the mean of its divisors is an integer number (7414163640).

Almost surely, 2^100310421421 is an apocalyptic number.

It is an amenable number.

100310421421 is a deficient number, since it is larger than the sum of its proper divisors (18316196819).

100310421421 is a wasteful number, since it uses less digits than its factorization.

100310421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137604.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100310421421 its reverse (124124013001), we get a palindrome (224434434422).

It can be divided in two parts, 100310 and 421421, that added together give a triangular number (521731 = T₁₀₂₁).

The spelling of 100310421421 in words is "one hundred billion, three hundred ten million, four hundred twenty-one thousand, four hundred twenty-one".