2002012212101 has 4 divisors (see below), whose sum is σ = 2184013322304. Its totient is φ = 1820011101900.

The previous prime is 2002012212077. The next prime is 2002012212107. The reversal of 2002012212101 is 1012122102002.

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 2002012212101 - 2³⁸ = 1727134305157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002012212107) 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, 91000555085 + ... + 91000555106.

It is an arithmetic number, because the mean of its divisors is an integer number (546003330576).

Almost surely, 2^{2002012212101} is an apocalyptic number.

It is an amenable number.

2002012212101 is a deficient number, since it is larger than the sum of its proper divisors (182001110203).

2002012212101 is a wasteful number, since it uses less digits than its factorization.

2002012212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182001110202.

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

Adding to 2002012212101 its reverse (1012122102002), we get a palindrome (3014134314103).

The spelling of 2002012212101 in words is "two trillion, two billion, twelve million, two hundred twelve thousand, one hundred one".