10120123211201 has 4 divisors (see below), whose sum is σ = 10120168562004. Its totient is φ = 10120077860400.

The previous prime is 10120123211089. The next prime is 10120123211243. The reversal of 10120123211201 is 10211232102101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2403678144400 + 7716445066801 = 1550380^2 + 2777849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120123211201 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 10120123211201.

It is not an unprimeable number, because it can be changed into a prime (10120123211501) 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, 22339010 + ... + 22787531.

It is an arithmetic number, because the mean of its divisors is an integer number (2530042140501).

Almost surely, 2^{10120123211201} is an apocalyptic number.

It is an amenable number.

10120123211201 is a deficient number, since it is larger than the sum of its proper divisors (45350803).

10120123211201 is an equidigital number, since it uses as much as digits as its factorization.

10120123211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45350802.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10120123211201 its reverse (10211232102101), we get a palindrome (20331355313302).

The spelling of 10120123211201 in words is "ten trillion, one hundred twenty billion, one hundred twenty-three million, two hundred eleven thousand, two hundred one".