2221220201010 has 64 divisors (see below), whose sum is σ = 5438177402112. Its totient is φ = 580527415296.

The previous prime is 2221220200999. The next prime is 2221220201023. The reversal of 2221220201010 is 101020221222.

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

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, 3405639 + ... + 4005098.

It is an arithmetic number, because the mean of its divisors is an integer number (84971521908).

Almost surely, 2^{2221220201010} is an apocalyptic number.

2221220201010 is an abundant number, since it is smaller than the sum of its proper divisors (3216957201102).

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

2221220201010 is a wasteful number, since it uses less digits than its factorization.

2221220201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410947.

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

Adding to 2221220201010 its reverse (101020221222), we get a palindrome (2322240422232).

The spelling of 2221220201010 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred one thousand, ten".