210122111010009 has 96 divisors (see below), whose sum is σ = 330377556225024. Its totient is φ = 117727433631360.

The previous prime is 210122111010001. The next prime is 210122111010023. The reversal of 210122111010009 is 900010111221012.

It is not a de Polignac number, because 210122111010009 - 2³ = 210122111010001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210122111010001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 544338379 + ... + 544724255.

It is an arithmetic number, because the mean of its divisors is an integer number (3441432877344).

Almost surely, 2^{210122111010009} is an apocalyptic number.

It is an amenable number.

210122111010009 is a deficient number, since it is larger than the sum of its proper divisors (120255445215015).

210122111010009 is a wasteful number, since it uses less digits than its factorization.

210122111010009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387035 (or 387016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 210122111010009 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred eleven million, ten thousand, nine".