10120201312321 has 4 divisors (see below), whose sum is σ = 10176738750000. Its totient is φ = 10063663874644.

The previous prime is 10120201312253. The next prime is 10120201312349. The reversal of 10120201312321 is 12321310202101.

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 10120201312321 - 2⁹ = 10120201311809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120201312021) 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, 28268718571 + ... + 28268718928.

It is an arithmetic number, because the mean of its divisors is an integer number (2544184687500).

Almost surely, 2^{10120201312321} is an apocalyptic number.

It is an amenable number.

10120201312321 is a deficient number, since it is larger than the sum of its proper divisors (56537437679).

10120201312321 is an equidigital number, since it uses as much as digits as its factorization.

10120201312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56537437678.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10120201312321 its reverse (12321310202101), we get a palindrome (22441511514422).

The spelling of 10120201312321 in words is "ten trillion, one hundred twenty billion, two hundred one million, three hundred twelve thousand, three hundred twenty-one".