2122210010021 has 8 divisors (see below), whose sum is σ = 2124346698240. Its totient is φ = 2120073504912.

The previous prime is 2122210010017. The next prime is 2122210010027. The reversal of 2122210010021 is 1200100122212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122210010021 - 2² = 2122210010017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122210009978 and 2122210010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122210010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44510831 + ... + 44558483.

It is an arithmetic number, because the mean of its divisors is an integer number (265543337280).

Almost surely, 2^{2122210010021} is an apocalyptic number.

It is an amenable number.

2122210010021 is a deficient number, since it is larger than the sum of its proper divisors (2136688219).

2122210010021 is a wasteful number, since it uses less digits than its factorization.

2122210010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91555.

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

Adding to 2122210010021 its reverse (1200100122212), we get a palindrome (3322310132233).

The spelling of 2122210010021 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, ten thousand, twenty-one".