2211221021122 has 8 divisors (see below), whose sum is σ = 3338797303872. Its totient is φ = 1098288586500.

The previous prime is 2211221021099. The next prime is 2211221021147. The reversal of 2211221021122 is 2211201221122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2211221021122.

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, 3660961654 + ... + 3660962257.

It is an arithmetic number, because the mean of its divisors is an integer number (417349662984).

Almost surely, 2^{2211221021122} is an apocalyptic number.

2211221021122 is a deficient number, since it is larger than the sum of its proper divisors (1127576282750).

2211221021122 is a wasteful number, since it uses less digits than its factorization.

2211221021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321924064.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2211221021122 its reverse (2211201221122), we get a palindrome (4422422242244).

The spelling of 2211221021122 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, twenty-one thousand, one hundred twenty-two".