1220112020202 has 96 divisors (see below), whose sum is σ = 2674632260160. Its totient is φ = 369749560320.

The previous prime is 1220112020111. The next prime is 1220112020209. The reversal of 1220112020202 is 2020202110221.

It is a super-2 number, since 2×1220112020202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220112020209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19378252 + ... + 19441112.

It is an arithmetic number, because the mean of its divisors is an integer number (27860752710).

Almost surely, 2^{1220112020202} is an apocalyptic number.

1220112020202 is an abundant number, since it is smaller than the sum of its proper divisors (1454520239958).

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

1220112020202 is a wasteful number, since it uses less digits than its factorization.

1220112020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63096 (or 63059 counting only the distinct ones).

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

Adding to 1220112020202 its reverse (2020202110221), we get a palindrome (3240314130423).

The spelling of 1220112020202 in words is "one trillion, two hundred twenty billion, one hundred twelve million, twenty thousand, two hundred two".