2212100010009 has 48 divisors (see below), whose sum is σ = 3393562798080. Its totient is φ = 1386092787840.

The previous prime is 2212100009993. The next prime is 2212100010011. The reversal of 2212100010009 is 9000100012122.

It is not a de Polignac number, because 2212100010009 - 2⁴ = 2212100009993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212100009973 and 2212100010000.

It is not an unprimeable number, because it can be changed into a prime (2212100010059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5557552 + ... + 5942270.

It is an arithmetic number, because the mean of its divisors is an integer number (70699224960).

Almost surely, 2^{2212100010009} is an apocalyptic number.

It is an amenable number.

2212100010009 is a deficient number, since it is larger than the sum of its proper divisors (1181462788071).

2212100010009 is a wasteful number, since it uses less digits than its factorization.

2212100010009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385350 (or 385347 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 2212100010009 in words is "two trillion, two hundred twelve billion, one hundred million, ten thousand, nine".