21022211011009 has 8 divisors (see below), whose sum is σ = 23165799612032. Its totient is φ = 18953836045200.

The previous prime is 21022211011003. The next prime is 21022211011013. The reversal of 21022211011009 is 90011011222012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21022211011009 - 2³ = 21022211011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21022211011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18803408217 + ... + 18803409334.

It is an arithmetic number, because the mean of its divisors is an integer number (2895724951504).

Almost surely, 2^{21022211011009} is an apocalyptic number.

It is an amenable number.

21022211011009 is a deficient number, since it is larger than the sum of its proper divisors (2143588601023).

21022211011009 is a wasteful number, since it uses less digits than its factorization.

21022211011009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37606817607.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 21022211011009 in words is "twenty-one trillion, twenty-two billion, two hundred eleven million, eleven thousand, nine".