2221221020002 has 16 divisors (see below), whose sum is σ = 3356851148352. Its totient is φ = 1102286661840.

The previous prime is 2221221019951. The next prime is 2221221020021. The reversal of 2221221020002 is 2000201221222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728374 + ... + 4282897.

It is an arithmetic number, because the mean of its divisors is an integer number (209803196772).

Almost surely, 2^{2221221020002} is an apocalyptic number.

2221221020002 is a deficient number, since it is larger than the sum of its proper divisors (1135630128350).

2221221020002 is a wasteful number, since it uses less digits than its factorization.

2221221020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012313.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2221221020002 its reverse (2000201221222), we get a palindrome (4221422241224).

The spelling of 2221221020002 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, twenty thousand, two".