1220202112210 has 16 divisors (see below), whose sum is σ = 2199779620416. Its totient is φ = 487321774128.

The previous prime is 1220202112097. The next prime is 1220202112211. The reversal of 1220202112210 is 122112020221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220202112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94877094 + ... + 94889953.

It is an arithmetic number, because the mean of its divisors is an integer number (137486226276).

Almost surely, 2^{1220202112210} is an apocalyptic number.

1220202112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220202112210 is a deficient number, since it is larger than the sum of its proper divisors (979577508206).

1220202112210 is a wasteful number, since it uses less digits than its factorization.

1220202112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189767697.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220202112210 its reverse (122112020221), we get a palindrome (1342314132431).

The spelling of 1220202112210 in words is "one trillion, two hundred twenty billion, two hundred two million, one hundred twelve thousand, two hundred ten".