1010112101121 has 4 divisors (see below), whose sum is σ = 1346816134832. Its totient is φ = 673408067412.

The previous prime is 1010112101101. The next prime is 1010112101149. The reversal of 1010112101121 is 1211012110101.

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 not a de Polignac number, because 1010112101121 - 2¹⁰ = 1010112100097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010112101097 and 1010112101106.

It is not an unprimeable number, because it can be changed into a prime (1010112101101) 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, 168352016851 + ... + 168352016856.

It is an arithmetic number, because the mean of its divisors is an integer number (336704033708).

Almost surely, 2^{1010112101121} is an apocalyptic number.

It is an amenable number.

1010112101121 is a deficient number, since it is larger than the sum of its proper divisors (336704033711).

1010112101121 is an equidigital number, since it uses as much as digits as its factorization.

1010112101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336704033710.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1010112101121 its reverse (1211012110101), we get a palindrome (2221124211222).

The spelling of 1010112101121 in words is "one trillion, ten billion, one hundred twelve million, one hundred one thousand, one hundred twenty-one".