101201021101 has 2 divisors, whose sum is σ = 101201021102. Its totient is φ = 101201021100.

The previous prime is 101201021081. The next prime is 101201021147. The reversal of 101201021101 is 101120102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50681715876 + 50519305225 = 225126^2 + 224765^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201021101 - 2¹⁷ = 101200890029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201021191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600510550 + 50600510551.

It is an arithmetic number, because the mean of its divisors is an integer number (50600510551).

Almost surely, 2^101201021101 is an apocalyptic number.

It is an amenable number.

101201021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201021101 is an equidigital number, since it uses as much as digits as its factorization.

101201021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101201021101 its reverse (101120102101), we get a palindrome (202321123202).

The spelling of 101201021101 in words is "one hundred one billion, two hundred one million, twenty-one thousand, one hundred one".