1220201022202 has 16 divisors (see below), whose sum is σ = 1833313690152. Its totient is φ = 609096983040.

The previous prime is 1220201022191. The next prime is 1220201022203. The reversal of 1220201022202 is 2022201020221.

It can be written as a sum of positive squares in 4 ways, for example, as 1079726731801 + 140474290401 = 1039099^2 + 374799^2 .

It is not an unprimeable number, because it can be changed into a prime (1220201022203) 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, 4596078 + ... + 4854310.

Almost surely, 2^{1220201022202} is an apocalyptic number.

1220201022202 is a deficient number, since it is larger than the sum of its proper divisors (613112667950).

1220201022202 is a wasteful number, since it uses less digits than its factorization.

1220201022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220201022202 its reverse (2022201020221), we get a palindrome (3242402042423).

The spelling of 1220201022202 in words is "one trillion, two hundred twenty billion, two hundred one million, twenty-two thousand, two hundred two".