1220102200010 has 32 divisors (see below), whose sum is σ = 2238510846672. Its totient is φ = 478680238080.

The previous prime is 1220102199971. The next prime is 1220102200013. The reversal of 1220102200010 is 100022010221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 227701706761 + 992400493249 = 477181^2 + 996193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220102199964 and 1220102200000.

It is not an unprimeable number, because it can be changed into a prime (1220102200013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2617769 + ... + 3048428.

Almost surely, 2^{1220102200010} is an apocalyptic number.

1220102200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220102200010 is a deficient number, since it is larger than the sum of its proper divisors (1018408646662).

1220102200010 is a wasteful number, since it uses less digits than its factorization.

1220102200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666618.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220102200010 its reverse (100022010221), we get a palindrome (1320124210231).

The spelling of 1220102200010 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred thousand, ten".