222121121002109 has 8 divisors (see below), whose sum is σ = 255372785824128. Its totient is φ = 189249475206960.

The previous prime is 222121121002021. The next prime is 222121121002127. The reversal of 222121121002109 is 901200121121222.

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

It is not a de Polignac number, because 222121121002109 - 2¹⁶ = 222121120936573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121121002139) 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, 95004755462 + ... + 95004757799.

It is an arithmetic number, because the mean of its divisors is an integer number (31921598228016).

Almost surely, 2^{222121121002109} is an apocalyptic number.

It is an amenable number.

222121121002109 is a deficient number, since it is larger than the sum of its proper divisors (33251664822019).

222121121002109 is a wasteful number, since it uses less digits than its factorization.

222121121002109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190009513435.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 222121121002109 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, two thousand, one hundred nine".