22121001002109 has 8 divisors (see below), whose sum is σ = 29524857022080. Its totient is φ = 14732239491776.

The previous prime is 22121001002101. The next prime is 22121001002117. The reversal of 22121001002109 is 90120010012122.

It is an interprime number because it is at equal distance from previous prime (22121001002101) and next prime (22121001002117).

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 22121001002109 - 2³ = 22121001002101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121001002101) 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, 3773623989 + ... + 3773629850.

It is an arithmetic number, because the mean of its divisors is an integer number (3690607127760).

Almost surely, 2^{22121001002109} is an apocalyptic number.

It is an amenable number.

22121001002109 is a deficient number, since it is larger than the sum of its proper divisors (7403856019971).

22121001002109 is an equidigital number, since it uses as much as digits as its factorization.

22121001002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547254819.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 22121001002109 in words is "twenty-two trillion, one hundred twenty-one billion, one million, two thousand, one hundred nine".