1012002112101 has 4 divisors (see below), whose sum is σ = 1349336149472. Its totient is φ = 674668074732.

The previous prime is 1012002112031. The next prime is 1012002112111. The reversal of 1012002112101 is 1012112002101.

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 1012002112101 - 2¹³ = 1012002103909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012002112111) 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, 168667018681 + ... + 168667018686.

It is an arithmetic number, because the mean of its divisors is an integer number (337334037368).

Almost surely, 2^{1012002112101} is an apocalyptic number.

It is an amenable number.

1012002112101 is a deficient number, since it is larger than the sum of its proper divisors (337334037371).

1012002112101 is an equidigital number, since it uses as much as digits as its factorization.

1012002112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337334037370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012002112101 its reverse (1012112002101), we get a palindrome (2024114114202).

The spelling of 1012002112101 in words is "one trillion, twelve billion, two million, one hundred twelve thousand, one hundred one".