2012102022101 has 4 divisors (see below), whose sum is σ = 2013111608652. Its totient is φ = 2011092435552.

The previous prime is 2012102022089. The next prime is 2012102022103. The reversal of 2012102022101 is 1012202012102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1270782744100 + 741319278001 = 1127290^2 + 860999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012102022101 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 (2012102022103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504790286 + ... + 504794271.

It is an arithmetic number, because the mean of its divisors is an integer number (503277902163).

Almost surely, 2^{2012102022101} is an apocalyptic number.

It is an amenable number.

2012102022101 is a deficient number, since it is larger than the sum of its proper divisors (1009586551).

2012102022101 is a wasteful number, since it uses less digits than its factorization.

2012102022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009586550.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012102022101 its reverse (1012202012102), we get a palindrome (3024304034203).

Subtracting from 2012102022101 its reverse (1012202012102), we obtain a palindrome (999900009999).

The spelling of 2012102022101 in words is "two trillion, twelve billion, one hundred two million, twenty-two thousand, one hundred one".