22120221121009 has 16 divisors (see below), whose sum is σ = 24690706064640. Its totient is φ = 19647177503760.

The previous prime is 22120221121003. The next prime is 22120221121027. The reversal of 22120221121009 is 90012112202122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22120221121009 - 2³ = 22120221121001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120221121001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104444967 + ... + 104656540.

It is an arithmetic number, because the mean of its divisors is an integer number (1543169129040).

Almost surely, 2^{22120221121009} is an apocalyptic number.

It is an amenable number.

22120221121009 is a deficient number, since it is larger than the sum of its proper divisors (2570484943631).

22120221121009 is a wasteful number, since it uses less digits than its factorization.

22120221121009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209101740.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 22120221121009 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, nine".