101212101122209 has 32 divisors (see below), whose sum is σ = 132014538657792. Its totient is φ = 75305912208000.

The previous prime is 101212101122191. The next prime is 101212101122233. The reversal of 101212101122209 is 902221101212101.

It is a cyclic number.

It is not a de Polignac number, because 101212101122209 - 2¹¹ = 101212101120161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212101152209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340911007 + ... + 341207764.

It is an arithmetic number, because the mean of its divisors is an integer number (4125454333056).

Almost surely, 2^{101212101122209} is an apocalyptic number.

It is an amenable number.

101212101122209 is a deficient number, since it is larger than the sum of its proper divisors (30802437535583).

101212101122209 is a wasteful number, since it uses less digits than its factorization.

101212101122209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682118877.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 101212101122209 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, one hundred twenty-two thousand, two hundred nine".