2122212012101 has 4 divisors (see below), whose sum is σ = 2122218631104. Its totient is φ = 2122205393100.

The previous prime is 2122212012091. The next prime is 2122212012119. The reversal of 2122212012101 is 1012102122212.

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 a de Polignac number, because none of the positive numbers 2^k-2122212012101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122212012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122212012181) 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, 2802695 + ... + 3478436.

It is an arithmetic number, because the mean of its divisors is an integer number (530554657776).

Almost surely, 2^{2122212012101} is an apocalyptic number.

It is an amenable number.

2122212012101 is a deficient number, since it is larger than the sum of its proper divisors (6619003).

2122212012101 is an equidigital number, since it uses as much as digits as its factorization.

2122212012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619002.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122212012101 its reverse (1012102122212), we get a palindrome (3134314134313).

The spelling of 2122212012101 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twelve thousand, one hundred one".