1012012201121 has 4 divisors (see below), whose sum is σ = 1065276001200. Its totient is φ = 958748401044.

The previous prime is 1012012201103. The next prime is 1012012201129. The reversal of 1012012201121 is 1211022102101.

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 a cyclic number.

It is not a de Polignac number, because 1012012201121 - 2²² = 1012008006817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012012201096 and 1012012201105.

It is not an unprimeable number, because it can be changed into a prime (1012012201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26631900011 + ... + 26631900048.

It is an arithmetic number, because the mean of its divisors is an integer number (266319000300).

Almost surely, 2^{1012012201121} is an apocalyptic number.

It is an amenable number.

1012012201121 is a deficient number, since it is larger than the sum of its proper divisors (53263800079).

1012012201121 is an equidigital number, since it uses as much as digits as its factorization.

1012012201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53263800078.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012012201121 its reverse (1211022102101), we get a palindrome (2223034303222).

The spelling of 1012012201121 in words is "one trillion, twelve billion, twelve million, two hundred one thousand, one hundred twenty-one".