212001010022109 has 48 divisors (see below), whose sum is σ = 362262017514816. Its totient is φ = 109039994784000.

The previous prime is 212001010022063. The next prime is 212001010022111. The reversal of 212001010022109 is 901220010100212.

212001010022109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212001010022109 - 2⁹ = 212001010021597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001010022129) 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, 648884272 + ... + 649210905.

It is an arithmetic number, because the mean of its divisors is an integer number (7547125364892).

Almost surely, 2^{212001010022109} is an apocalyptic number.

It is an amenable number.

212001010022109 is a deficient number, since it is larger than the sum of its proper divisors (150261007492707).

212001010022109 is a wasteful number, since it uses less digits than its factorization.

212001010022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298095306 (or 1298095299 counting only the distinct ones).

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

The spelling of 212001010022109 in words is "two hundred twelve trillion, one billion, ten million, twenty-two thousand, one hundred nine".