2210121002222 has 16 divisors (see below), whose sum is σ = 3836738088960. Its totient is φ = 935204908248.

The previous prime is 2210121002197. The next prime is 2210121002231. The reversal of 2210121002222 is 2222001210122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210121002222.

It is a congruent number.

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, 999149438 + ... + 999151649.

It is an arithmetic number, because the mean of its divisors is an integer number (239796130560).

Almost surely, 2^{2210121002222} is an apocalyptic number.

2210121002222 is a deficient number, since it is larger than the sum of its proper divisors (1626617086738).

2210121002222 is a wasteful number, since it uses less digits than its factorization.

2210121002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998301175.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2210121002222 its reverse (2222001210122), we get a palindrome (4432122212344).

The spelling of 2210121002222 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two thousand, two hundred twenty-two".