1012194011121 has 8 divisors (see below), whose sum is σ = 1352340676704. Its totient is φ = 673421676480.

The previous prime is 1012194011099. The next prime is 1012194011137. The reversal of 1012194011121 is 1211104912101.

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

It is not a de Polignac number, because 1012194011121 - 2¹⁸ = 1012193748977 is a prime.

It is a super-2 number, since 2×1012194011121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012194011091 and 1012194011100.

It is not an unprimeable number, because it can be changed into a prime (1012194011221) 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, 343581016 + ... + 343583961.

It is an arithmetic number, because the mean of its divisors is an integer number (169042584588).

Almost surely, 2^{1012194011121} is an apocalyptic number.

It is an amenable number.

1012194011121 is a deficient number, since it is larger than the sum of its proper divisors (340146665583).

1012194011121 is an equidigital number, since it uses as much as digits as its factorization.

1012194011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687165471.

The product of its (nonzero) digits is 144, while the sum is 24.

Adding to 1012194011121 its reverse (1211104912101), we get a palindrome (2223298923222).

The spelling of 1012194011121 in words is "one trillion, twelve billion, one hundred ninety-four million, eleven thousand, one hundred twenty-one".