10203120101011 has 8 divisors (see below), whose sum is σ = 10512444429344. Its totient is φ = 9898378355520.

The previous prime is 10203120101003. The next prime is 10203120101117. The reversal of 10203120101011 is 11010102130201.

It is a happy number.

10203120101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10203120101011 - 2³ = 10203120101003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203120100982 and 10203120101000.

It is not an unprimeable number, because it can be changed into a prime (10203120101411) 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, 1145641191 + ... + 1145650096.

It is an arithmetic number, because the mean of its divisors is an integer number (1314055553668).

Almost surely, 2^{10203120101011} is an apocalyptic number.

10203120101011 is a deficient number, since it is larger than the sum of its proper divisors (309324328333).

10203120101011 is an equidigital number, since it uses as much as digits as its factorization.

10203120101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291291421.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10203120101011 its reverse (11010102130201), we get a palindrome (21213222231212).

The spelling of 10203120101011 in words is "ten trillion, two hundred three billion, one hundred twenty million, one hundred one thousand, eleven".