10211122220109 has 4 divisors (see below), whose sum is σ = 13614829626816. Its totient is φ = 6807414813404.

The previous prime is 10211122220107. The next prime is 10211122220153. The reversal of 10211122220109 is 90102222111201.

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 10211122220109 - 2¹ = 10211122220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211122220107) 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, 1701853703349 + ... + 1701853703354.

It is an arithmetic number, because the mean of its divisors is an integer number (3403707406704).

Almost surely, 2^{10211122220109} is an apocalyptic number.

It is an amenable number.

10211122220109 is a deficient number, since it is larger than the sum of its proper divisors (3403707406707).

10211122220109 is an equidigital number, since it uses as much as digits as its factorization.

10211122220109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403707406706.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 10211122220109 in words is "ten trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, one hundred nine".