210001122221002 has 8 divisors (see below), whose sum is σ = 360001923807456. Its totient is φ = 90000480951852.

The previous prime is 210001122220999. The next prime is 210001122221027. The reversal of 210001122221002 is 200122221100012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7500040079308 + ... + 7500040079335.

It is an arithmetic number, because the mean of its divisors is an integer number (45000240475932).

Almost surely, 2^{210001122221002} is an apocalyptic number.

210001122221002 is a deficient number, since it is larger than the sum of its proper divisors (150000801586454).

210001122221002 is a wasteful number, since it uses less digits than its factorization.

210001122221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000080158652.

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

Adding to 210001122221002 its reverse (200122221100012), we get a palindrome (410123343321014).

The spelling of 210001122221002 in words is "two hundred ten trillion, one billion, one hundred twenty-two million, two hundred twenty-one thousand, two".