1012111311121 has 8 divisors (see below), whose sum is σ = 1020739415360. Its totient is φ = 1003502446128.

The previous prime is 1012111311103. The next prime is 1012111311137. The reversal of 1012111311121 is 1211131112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012111311121 - 2⁵ = 1012111311089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012111311095 and 1012111311104.

It is not an unprimeable number, because it can be changed into a prime (1012111314121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4704141 + ... + 4914586.

It is an arithmetic number, because the mean of its divisors is an integer number (127592426920).

Almost surely, 2^{1012111311121} is an apocalyptic number.

It is an amenable number.

1012111311121 is a deficient number, since it is larger than the sum of its proper divisors (8628104239).

1012111311121 is an equidigital number, since it uses as much as digits as its factorization.

1012111311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619623.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1012111311121 its reverse (1211131112101), we get a palindrome (2223242423222).

The spelling of 1012111311121 in words is "one trillion, twelve billion, one hundred eleven million, three hundred eleven thousand, one hundred twenty-one".