1222021002122 has 16 divisors (see below), whose sum is σ = 1850882260032. Its totient is φ = 605060597280.

The previous prime is 1222021002089. The next prime is 1222021002151. The reversal of 1222021002122 is 2212001202221.

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 1222021002122.

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, 9506297 + ... + 9633987.

It is an arithmetic number, because the mean of its divisors is an integer number (115680141252).

Almost surely, 2^{1222021002122} is an apocalyptic number.

1222021002122 is a deficient number, since it is larger than the sum of its proper divisors (628861257910).

1222021002122 is a wasteful number, since it uses less digits than its factorization.

1222021002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174253.

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

Adding to 1222021002122 its reverse (2212001202221), we get a palindrome (3434022204343).

The spelling of 1222021002122 in words is "one trillion, two hundred twenty-two billion, twenty-one million, two thousand, one hundred twenty-two".