121020202200101 has 2 divisors, whose sum is σ = 121020202200102. Its totient is φ = 121020202200100.

The previous prime is 121020202200077. The next prime is 121020202200113. The reversal of 121020202200101 is 101002202020121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106466778339076 + 14553423861025 = 10318274^2 + 3814895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121020202200101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020202200151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510101100050 + 60510101100051.

It is an arithmetic number, because the mean of its divisors is an integer number (60510101100051).

Almost surely, 2^{121020202200101} is an apocalyptic number.

It is an amenable number.

121020202200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020202200101 is an equidigital number, since it uses as much as digits as its factorization.

121020202200101 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 14.

Adding to 121020202200101 its reverse (101002202020121), we get a palindrome (222022404220222).

The spelling of 121020202200101 in words is "one hundred twenty-one trillion, twenty billion, two hundred two million, two hundred thousand, one hundred one".