10211220022009 has 4 divisors (see below), whose sum is σ = 10248899800960. Its totient is φ = 10173540243060.

The previous prime is 10211220021991. The next prime is 10211220022013. The reversal of 10211220022009 is 90022002211201.

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 10211220022009 - 2³¹ = 10209072538361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211220032009) 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, 18839889069 + ... + 18839889610.

It is an arithmetic number, because the mean of its divisors is an integer number (2562224950240).

Almost surely, 2^{10211220022009} is an apocalyptic number.

It is an amenable number.

10211220022009 is a deficient number, since it is larger than the sum of its proper divisors (37679778951).

10211220022009 is an equidigital number, since it uses as much as digits as its factorization.

10211220022009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37679778950.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 10211220022009 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, twenty-two thousand, nine".