2220021221010 has 64 divisors (see below), whose sum is σ = 5366951654400. Its totient is φ = 587694636992.

The previous prime is 2220021221003. The next prime is 2220021221023. The reversal of 2220021221010 is 101221200222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 2800051 + ... + 3504329.

It is an arithmetic number, because the mean of its divisors is an integer number (83858619600).

Almost surely, 2^{2220021221010} is an apocalyptic number.

2220021221010 is an abundant number, since it is smaller than the sum of its proper divisors (3146930433390).

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

2220021221010 is a wasteful number, since it uses less digits than its factorization.

2220021221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705055.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220021221010 its reverse (101221200222), we get a palindrome (2321242421232).

The spelling of 2220021221010 in words is "two trillion, two hundred twenty billion, twenty-one million, two hundred twenty-one thousand, ten".