2210212102021 has 12 divisors (see below), whose sum is σ = 2804796063360. Its totient is φ = 1722243195960.

The previous prime is 2210212101997. The next prime is 2210212102037. The reversal of 2210212102021 is 1202012120122.

It is a happy number.

It is not a de Polignac number, because 2210212102021 - 2³⁷ = 2072773148549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210212101986 and 2210212102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210212102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050288981 + ... + 2050290058.

It is an arithmetic number, because the mean of its divisors is an integer number (233733005280).

Almost surely, 2^{2210212102021} is an apocalyptic number.

It is an amenable number.

2210212102021 is a deficient number, since it is larger than the sum of its proper divisors (594583961339).

2210212102021 is a wasteful number, since it uses less digits than its factorization.

2210212102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100579064 (or 4100579057 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210212102021 its reverse (1202012120122), we get a palindrome (3412224222143).

The spelling of 2210212102021 in words is "two trillion, two hundred ten billion, two hundred twelve million, one hundred two thousand, twenty-one".