112100220102121 has 2 divisors, whose sum is σ = 112100220102122. Its totient is φ = 112100220102120.

The previous prime is 112100220102107. The next prime is 112100220102127. The reversal of 112100220102121 is 121201022001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103023738303721 + 9076481798400 = 10150061^2 + 3012720^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100220102121 - 2⁵ = 112100220102089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100220102095 and 112100220102104.

It is not a weakly prime, because it can be changed into another prime (112100220102127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050110051060 + 56050110051061.

It is an arithmetic number, because the mean of its divisors is an integer number (56050110051061).

Almost surely, 2^{112100220102121} is an apocalyptic number.

It is an amenable number.

112100220102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100220102121 is an equidigital number, since it uses as much as digits as its factorization.

112100220102121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112100220102121 its reverse (121201022001211), we get a palindrome (233301242103332).

The spelling of 112100220102121 in words is "one hundred twelve trillion, one hundred billion, two hundred twenty million, one hundred two thousand, one hundred twenty-one".