20120103311201 has 8 divisors (see below), whose sum is σ = 21014134150464. Its totient is φ = 19227676116880.

The previous prime is 20120103311197. The next prime is 20120103311213. The reversal of 20120103311201 is 10211330102102.

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 20120103311201 - 2² = 20120103311197 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 20120103311201.

It is not an unprimeable number, because it can be changed into a prime (20120103311251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400885586 + ... + 400935771.

It is an arithmetic number, because the mean of its divisors is an integer number (2626766768808).

Almost surely, 2^{20120103311201} is an apocalyptic number.

It is an amenable number.

20120103311201 is a deficient number, since it is larger than the sum of its proper divisors (894030839263).

20120103311201 is a wasteful number, since it uses less digits than its factorization.

20120103311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801822471.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20120103311201 its reverse (10211330102102), we get a palindrome (30331433413303).

The spelling of 20120103311201 in words is "twenty trillion, one hundred twenty billion, one hundred three million, three hundred eleven thousand, two hundred one".