212120101110107 has 2 divisors, whose sum is σ = 212120101110108. Its totient is φ = 212120101110106.

The previous prime is 212120101110091. The next prime is 212120101110163. The reversal of 212120101110107 is 701011101021212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212120101110107 - 2⁴ = 212120101110091 is a prime.

It is not a weakly prime, because it can be changed into another prime (212120161110107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060050555053 + 106060050555054.

It is an arithmetic number, because the mean of its divisors is an integer number (106060050555054).

Almost surely, 2^{212120101110107} is an apocalyptic number.

212120101110107 is a deficient number, since it is larger than the sum of its proper divisors (1).

212120101110107 is an equidigital number, since it uses as much as digits as its factorization.

212120101110107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 212120101110107 its reverse (701011101021212), we get a palindrome (913131202131319).

The spelling of 212120101110107 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred one million, one hundred ten thousand, one hundred seven".