1220002201122 has 16 divisors (see below), whose sum is σ = 2524142485440. Its totient is φ = 392644386512.

The previous prime is 1220002201109. The next prime is 1220002201129. The reversal of 1220002201122 is 2211022000221.

It is not an unprimeable number, because it can be changed into a prime (1220002201129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505753278 + ... + 3505753625.

It is an arithmetic number, because the mean of its divisors is an integer number (157758905340).

Almost surely, 2^{1220002201122} is an apocalyptic number.

1220002201122 is an abundant number, since it is smaller than the sum of its proper divisors (1304140284318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220002201122 is a wasteful number, since it uses less digits than its factorization.

1220002201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011506937.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220002201122 its reverse (2211022000221), we get a palindrome (3431024201343).

The spelling of 1220002201122 in words is "one trillion, two hundred twenty billion, two million, two hundred one thousand, one hundred twenty-two".