101200320321 has 16 divisors (see below), whose sum is σ = 140840570880. Its totient is φ = 64515146960.

The previous prime is 101200320307. The next prime is 101200320329. The reversal of 101200320321 is 123023002101.

It is a cyclic number.

It is not a de Polignac number, because 101200320321 - 2⁶ = 101200320257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101200320321.

It is not an unprimeable number, because it can be changed into a prime (101200320329) 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, 36976 + ... + 451406.

It is an arithmetic number, because the mean of its divisors is an integer number (8802535680).

Almost surely, 2^101200320321 is an apocalyptic number.

It is an amenable number.

101200320321 is a deficient number, since it is larger than the sum of its proper divisors (39640250559).

101200320321 is a wasteful number, since it uses less digits than its factorization.

101200320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417996.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 101200320321 its reverse (123023002101), we get a palindrome (224223322422).

The spelling of 101200320321 in words is "one hundred one billion, two hundred million, three hundred twenty thousand, three hundred twenty-one".