212113000231109 has 2 divisors, whose sum is σ = 212113000231110. Its totient is φ = 212113000231108.

The previous prime is 212113000231049. The next prime is 212113000231129. The reversal of 212113000231109 is 901132000311212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191684634180484 + 20428366050625 = 13845022^2 + 4519775^2 .

It is a cyclic number.

It is not a de Polignac number, because 212113000231109 - 2³⁶ = 212044280754373 is a prime.

It is a super-2 number, since 2×212113000231109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212113000231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056500115554 + 106056500115555.

It is an arithmetic number, because the mean of its divisors is an integer number (106056500115555).

Almost surely, 2^{212113000231109} is an apocalyptic number.

It is an amenable number.

212113000231109 is a deficient number, since it is larger than the sum of its proper divisors (1).

212113000231109 is an equidigital number, since it uses as much as digits as its factorization.

212113000231109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 212113000231109 in words is "two hundred twelve trillion, one hundred thirteen billion, two hundred thirty-one thousand, one hundred nine".