10120321355 has 8 divisors (see below), whose sum is σ = 12146244000. Its totient is φ = 8095018176.

The previous prime is 10120321339. The next prime is 10120321381. The reversal of 10120321355 is 55312302101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10120321355 - 2⁴ = 10120321339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120321355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118130 + ... + 184919.

It is an arithmetic number, because the mean of its divisors is an integer number (1518280500).

Almost surely, 2^10120321355 is an apocalyptic number.

10120321355 is a deficient number, since it is larger than the sum of its proper divisors (2025922645).

10120321355 is an equidigital number, since it uses as much as digits as its factorization.

10120321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309733.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 10120321355 its reverse (55312302101), we get a palindrome (65432623456).

The spelling of 10120321355 in words is "ten billion, one hundred twenty million, three hundred twenty-one thousand, three hundred fifty-five".