10212011202109 has 4 divisors (see below), whose sum is σ = 10279640415520. Its totient is φ = 10144381988700.

The previous prime is 10212011202053. The next prime is 10212011202131. The reversal of 10212011202109 is 90120211021201.

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 10212011202109 - 2²⁷ = 10211876984381 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 10212011202109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212011202209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33814606479 + ... + 33814606780.

It is an arithmetic number, because the mean of its divisors is an integer number (2569910103880).

Almost surely, 2^{10212011202109} is an apocalyptic number.

It is an amenable number.

10212011202109 is a deficient number, since it is larger than the sum of its proper divisors (67629213411).

10212011202109 is an equidigital number, since it uses as much as digits as its factorization.

10212011202109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67629213410.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 10212011202109 in words is "ten trillion, two hundred twelve billion, eleven million, two hundred two thousand, one hundred nine".