4231010100721 has 2 divisors, whose sum is σ = 4231010100722. Its totient is φ = 4231010100720.

The previous prime is 4231010100673. The next prime is 4231010100743. The reversal of 4231010100721 is 1270010101324.

It is a happy number.

It is an a-pointer prime, because the next prime (4231010100743) can be obtained adding 4231010100721 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2598186148321 + 1632823952400 = 1611889^2 + 1277820^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231010100721 - 2¹⁵ = 4231010067953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4231010100692 and 4231010100701.

It is not a weakly prime, because it can be changed into another prime (4231010100781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115505050360 + 2115505050361.

It is an arithmetic number, because the mean of its divisors is an integer number (2115505050361).

Almost surely, 2^{4231010100721} is an apocalyptic number.

It is an amenable number.

4231010100721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231010100721 is an equidigital number, since it uses as much as digits as its factorization.

4231010100721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The spelling of 4231010100721 in words is "four trillion, two hundred thirty-one billion, ten million, one hundred thousand, seven hundred twenty-one".