1012230111121 has 16 divisors (see below), whose sum is σ = 1082402006400. Its totient is φ = 943243031808.

The previous prime is 1012230111119. The next prime is 1012230111143. The reversal of 1012230111121 is 1211110322101.

It is a happy number.

It is not a de Polignac number, because 1012230111121 - 2¹ = 1012230111119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012230111095 and 1012230111104.

It is not an unprimeable number, because it can be changed into a prime (1012230111181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8801175 + ... + 8915443.

It is an arithmetic number, because the mean of its divisors is an integer number (67650125400).

Almost surely, 2^{1012230111121} is an apocalyptic number.

It is an amenable number.

1012230111121 is a deficient number, since it is larger than the sum of its proper divisors (70171895279).

1012230111121 is a wasteful number, since it uses less digits than its factorization.

1012230111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119448.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1012230111121 its reverse (1211110322101), we get a palindrome (2223340433222).

The spelling of 1012230111121 in words is "one trillion, twelve billion, two hundred thirty million, one hundred eleven thousand, one hundred twenty-one".