10212103405121 has 8 divisors (see below), whose sum is σ = 10605950093160. Its totient is φ = 9824459027328.

The previous prime is 10212103405111. The next prime is 10212103405139. The reversal of 10212103405121 is 12150430121201.

It can be written as a sum of positive squares in 4 ways, for example, as 4105081210000 + 6107022195121 = 2026100^2 + 2471239^2 .

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 10212103405121 - 2⁶ = 10212103405057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212103405111) 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, 1550574206 + ... + 1550580791.

It is an arithmetic number, because the mean of its divisors is an integer number (1325743761645).

Almost surely, 2^{10212103405121} is an apocalyptic number.

It is an amenable number.

10212103405121 is a deficient number, since it is larger than the sum of its proper divisors (393846688039).

10212103405121 is an equidigital number, since it uses as much as digits as its factorization.

10212103405121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101155123.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 10212103405121 its reverse (12150430121201), we get a palindrome (22362533526322).

The spelling of 10212103405121 in words is "ten trillion, two hundred twelve billion, one hundred three million, four hundred five thousand, one hundred twenty-one".