212210102109 has 16 divisors (see below), whose sum is σ = 290298826944. Its totient is φ = 137808124800.

The previous prime is 212210102107. The next prime is 212210102161. The reversal of 212210102109 is 901201012212.

It is not a de Polignac number, because 212210102109 - 2¹ = 212210102107 is a prime.

It is a super-2 number, since 2×212210102109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210102101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262502 + ... + 1420679.

It is an arithmetic number, because the mean of its divisors is an integer number (18143676684).

Almost surely, 2^212210102109 is an apocalyptic number.

It is an amenable number.

212210102109 is a deficient number, since it is larger than the sum of its proper divisors (78088724835).

212210102109 is a wasteful number, since it uses less digits than its factorization.

212210102109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683868.

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

The spelling of 212210102109 in words is "two hundred twelve billion, two hundred ten million, one hundred two thousand, one hundred nine".