10123014221 has 4 divisors (see below), whose sum is σ = 10123498944. Its totient is φ = 10122529500.

The previous prime is 10123014217. The next prime is 10123014227. The reversal of 10123014221 is 12241032101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10123014221 - 2² = 10123014217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10123014221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123014227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209555 + ... + 253296.

It is an arithmetic number, because the mean of its divisors is an integer number (2530874736).

Almost surely, 2^10123014221 is an apocalyptic number.

It is an amenable number.

10123014221 is a deficient number, since it is larger than the sum of its proper divisors (484723).

10123014221 is an equidigital number, since it uses as much as digits as its factorization.

10123014221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484722.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10123014221 its reverse (12241032101), we get a palindrome (22364046322).

The spelling of 10123014221 in words is "ten billion, one hundred twenty-three million, fourteen thousand, two hundred twenty-one".