1220111010202 has 48 divisors (see below), whose sum is σ = 2256061140000. Its totient is φ = 492058584864.

The previous prime is 1220111010187. The next prime is 1220111010299. The reversal of 1220111010202 is 2020101110221.

It is a super-2 number, since 2×1220111010202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921452 + ... + 2476327.

It is an arithmetic number, because the mean of its divisors is an integer number (47001273750).

Almost surely, 2^{1220111010202} is an apocalyptic number.

1220111010202 is a deficient number, since it is larger than the sum of its proper divisors (1035950129798).

1220111010202 is a wasteful number, since it uses less digits than its factorization.

1220111010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397963 (or 4397956 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220111010202 its reverse (2020101110221), we get a palindrome (3240212120423).

The spelling of 1220111010202 in words is "one trillion, two hundred twenty billion, one hundred eleven million, ten thousand, two hundred two".