101110101221121 has 4 divisors (see below), whose sum is σ = 134813468294832. Its totient is φ = 67406734147412.

The previous prime is 101110101221047. The next prime is 101110101221147. The reversal of 101110101221121 is 121122101011101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101110101221121 - 2¹⁵ = 101110101188353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101110101221121.

It is not an unprimeable number, because it can be changed into a prime (101110101221161) 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, 16851683536851 + ... + 16851683536856.

It is an arithmetic number, because the mean of its divisors is an integer number (33703367073708).

Almost surely, 2^{101110101221121} is an apocalyptic number.

It is an amenable number.

101110101221121 is a deficient number, since it is larger than the sum of its proper divisors (33703367073711).

101110101221121 is an equidigital number, since it uses as much as digits as its factorization.

101110101221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703367073710.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101110101221121 its reverse (121122101011101), we get a palindrome (222232202232222).

The spelling of 101110101221121 in words is "one hundred one trillion, one hundred ten billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-one".