2221021210210 has 64 divisors (see below), whose sum is σ = 4538110800384. Its totient is φ = 775545721600.

The previous prime is 2221021210183. The next prime is 2221021210237. The reversal of 2221021210210 is 120121201222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2221021210183) and next prime (2221021210237).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3778801 + ... + 4326820.

It is an arithmetic number, because the mean of its divisors is an integer number (70907981256).

Almost surely, 2^{2221021210210} is an apocalyptic number.

2221021210210 is an abundant number, since it is smaller than the sum of its proper divisors (2317089590174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221021210210 is a wasteful number, since it uses less digits than its factorization.

2221021210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105739.

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

Adding to 2221021210210 its reverse (120121201222), we get a palindrome (2341142411432).

The spelling of 2221021210210 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two hundred ten thousand, two hundred ten".