10212001109 has 4 divisors (see below), whose sum is σ = 10364419104. Its totient is φ = 10059583116.

The previous prime is 10212001097. The next prime is 10212001169. The reversal of 10212001109 is 90110021201.

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 a de Polignac number, because none of the positive numbers 2^k-10212001109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212001169) 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, 76208897 + ... + 76209030.

It is an arithmetic number, because the mean of its divisors is an integer number (2591104776).

Almost surely, 2^10212001109 is an apocalyptic number.

It is an amenable number.

10212001109 is a deficient number, since it is larger than the sum of its proper divisors (152417995).

10212001109 is an equidigital number, since it uses as much as digits as its factorization.

10212001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152417994.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 10212001109 in words is "ten billion, two hundred twelve million, one thousand, one hundred nine".