10210221121109 has 4 divisors (see below), whose sum is σ = 10210635000960. Its totient is φ = 10209807241260.

The previous prime is 10210221121091. The next prime is 10210221121151. The reversal of 10210221121109 is 90112112201201.

It is a happy number.

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 10210221121109 - 2¹² = 10210221117013 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 (10210221121169) 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, 206902919 + ... + 206952260.

It is an arithmetic number, because the mean of its divisors is an integer number (2552658750240).

Almost surely, 2^{10210221121109} is an apocalyptic number.

It is an amenable number.

10210221121109 is a deficient number, since it is larger than the sum of its proper divisors (413879851).

10210221121109 is an equidigital number, since it uses as much as digits as its factorization.

10210221121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413879850.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 10210221121109 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred nine".