12101221110107 has 2 divisors, whose sum is σ = 12101221110108. Its totient is φ = 12101221110106.

The previous prime is 12101221110091. The next prime is 12101221110133. The reversal of 12101221110107 is 70101112210121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101221110107 - 2⁴ = 12101221110091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101221110137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050610555053 + 6050610555054.

It is an arithmetic number, because the mean of its divisors is an integer number (6050610555054).

Almost surely, 2^{12101221110107} is an apocalyptic number.

12101221110107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101221110107 is an equidigital number, since it uses as much as digits as its factorization.

12101221110107 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 12101221110107 its reverse (70101112210121), we get a palindrome (82202333320228).

The spelling of 12101221110107 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred seven".