2012221102210 has 128 divisors (see below), whose sum is σ = 4013238078720. Its totient is φ = 720339072000.

The previous prime is 2012221102189. The next prime is 2012221102231. The reversal of 2012221102210 is 122011222102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2012221102189) and next prime (2012221102231).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2018275432 + ... + 2018276428.

It is an arithmetic number, because the mean of its divisors is an integer number (31353422490).

Almost surely, 2^{2012221102210} is an apocalyptic number.

2012221102210 is a deficient number, since it is larger than the sum of its proper divisors (2001016976510).

2012221102210 is a wasteful number, since it uses less digits than its factorization.

2012221102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972.

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

Adding to 2012221102210 its reverse (122011222102), we get a palindrome (2134232324312).

The spelling of 2012221102210 in words is "two trillion, twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".