1222221020122 has 32 divisors (see below), whose sum is σ = 1941480161280. Its totient is φ = 576071079360.

The previous prime is 1222221020117. The next prime is 1222221020123. The reversal of 1222221020122 is 2210201222221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222221020122.

It is not an unprimeable number, because it can be changed into a prime (1222221020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5835303 + ... + 6041125.

It is an arithmetic number, because the mean of its divisors is an integer number (60671255040).

Almost surely, 2^{1222221020122} is an apocalyptic number.

1222221020122 is a deficient number, since it is larger than the sum of its proper divisors (719259141158).

1222221020122 is a wasteful number, since it uses less digits than its factorization.

1222221020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208278.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222221020122 its reverse (2210201222221), we get a palindrome (3432422242343).

The spelling of 1222221020122 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, one hundred twenty-two".