101001210001121 has 4 divisors (see below), whose sum is σ = 101420302159044. Its totient is φ = 100582117843200.

The previous prime is 101001210001037. The next prime is 101001210001123. The reversal of 101001210001121 is 121100012100101.

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 67167269278096 + 33833940723025 = 8195564^2 + 5816695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001210001121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101001210001123) 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, 209546078600 + ... + 209546079081.

It is an arithmetic number, because the mean of its divisors is an integer number (25355075539761).

Almost surely, 2^{101001210001121} is an apocalyptic number.

It is an amenable number.

101001210001121 is a deficient number, since it is larger than the sum of its proper divisors (419092157923).

101001210001121 is an equidigital number, since it uses as much as digits as its factorization.

101001210001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419092157922.

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

Adding to 101001210001121 its reverse (121100012100101), we get a palindrome (222101222101222).

The spelling of 101001210001121 in words is "one hundred one trillion, one billion, two hundred ten million, one thousand, one hundred twenty-one".