101120110020121 has 4 divisors (see below), whose sum is σ = 102505317006772. Its totient is φ = 99734903033472.

The previous prime is 101120110020119. The next prime is 101120110020151. The reversal of 101120110020121 is 121020011021101.

It is a happy number.

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 33099183669721 + 68020926350400 = 5753189^2 + 8247480^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120110020121 - 2¹ = 101120110020119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101120110020151) 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, 692603493216 + ... + 692603493361.

It is an arithmetic number, because the mean of its divisors is an integer number (25626329251693).

Almost surely, 2^{101120110020121} is an apocalyptic number.

It is an amenable number.

101120110020121 is a deficient number, since it is larger than the sum of its proper divisors (1385206986651).

101120110020121 is an equidigital number, since it uses as much as digits as its factorization.

101120110020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385206986650.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101120110020121 its reverse (121020011021101), we get a palindrome (222140121041222).

The spelling of 101120110020121 in words is "one hundred one trillion, one hundred twenty billion, one hundred ten million, twenty thousand, one hundred twenty-one".