101220101201 has 2 divisors, whose sum is σ = 101220101202. Its totient is φ = 101220101200.

The previous prime is 101220101189. The next prime is 101220101233. The reversal of 101220101201 is 102101022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74846016400 + 26374084801 = 273580^2 + 162401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101220101201 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220101261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610050600 + 50610050601.

It is an arithmetic number, because the mean of its divisors is an integer number (50610050601).

Almost surely, 2^101220101201 is an apocalyptic number.

It is an amenable number.

101220101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220101201 is an equidigital number, since it uses as much as digits as its factorization.

101220101201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101220101201 its reverse (102101022101), we get a palindrome (203321123302).

The spelling of 101220101201 in words is "one hundred one billion, two hundred twenty million, one hundred one thousand, two hundred one".