10212110101121 has 4 divisors (see below), whose sum is σ = 10215314406192. Its totient is φ = 10208905796052.

The previous prime is 10212110101093. The next prime is 10212110101153. The reversal of 10212110101121 is 12110101121201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10212110101121 - 2²² = 10212105906817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212110101096 and 10212110101105.

It is not an unprimeable number, because it can be changed into a prime (10212110101321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602147755 + ... + 1602154128.

It is an arithmetic number, because the mean of its divisors is an integer number (2553828601548).

Almost surely, 2^{10212110101121} is an apocalyptic number.

It is an amenable number.

10212110101121 is a deficient number, since it is larger than the sum of its proper divisors (3204305071).

10212110101121 is an equidigital number, since it uses as much as digits as its factorization.

10212110101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204305070.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10212110101121 its reverse (12110101121201), we get a palindrome (22322211222322).

The spelling of 10212110101121 in words is "ten trillion, two hundred twelve billion, one hundred ten million, one hundred one thousand, one hundred twenty-one".