10200120121105 has 8 divisors (see below), whose sum is σ = 12240292610664. Its totient is φ = 8159997120000.

The previous prime is 10200120121021. The next prime is 10200120121123. The reversal of 10200120121105 is 50112102100201.

It can be written as a sum of positive squares in 4 ways, for example, as 595866661776 + 9604253459329 = 771924^2 + 3099073^2 .

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

It is not a de Polignac number, because 10200120121105 - 2¹⁵ = 10200120088337 is a prime.

It is a Duffinian number.

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, 11917146 + ... + 12744355.

It is an arithmetic number, because the mean of its divisors is an integer number (1530036576333).

Almost surely, 2^{10200120121105} is an apocalyptic number.

It is an amenable number.

10200120121105 is a deficient number, since it is larger than the sum of its proper divisors (2040172489559).

10200120121105 is an equidigital number, since it uses as much as digits as its factorization.

10200120121105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24744227.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 10200120121105 its reverse (50112102100201), we get a palindrome (60312222221306).

The spelling of 10200120121105 in words is "ten trillion, two hundred billion, one hundred twenty million, one hundred twenty-one thousand, one hundred five".