102101101000121 has 4 divisors (see below), whose sum is σ = 102101131376244. Its totient is φ = 102101070624000.

The previous prime is 102101101000069. The next prime is 102101101000159. The reversal of 102101101000121 is 121000101101201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95886475802896 + 6214625197225 = 9792164^2 + 2492915^2 .

It is a cyclic number.

It is not a de Polignac number, because 102101101000121 - 2⁶ = 102101101000057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101101000421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9414680 + ... + 17112521.

It is an arithmetic number, because the mean of its divisors is an integer number (25525282844061).

Almost surely, 2^{102101101000121} is an apocalyptic number.

It is an amenable number.

102101101000121 is a deficient number, since it is larger than the sum of its proper divisors (30376123).

102101101000121 is an equidigital number, since it uses as much as digits as its factorization.

102101101000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30376122.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102101101000121 its reverse (121000101101201), we get a palindrome (223101202101322).

The spelling of 102101101000121 in words is "one hundred two trillion, one hundred one billion, one hundred one million, one hundred twenty-one", and thus it is an aban number.