1220102100010 has 16 divisors (see below), whose sum is σ = 2207682127872. Its totient is φ = 485485651600.

The previous prime is 1220102099999. The next prime is 1220102100011. The reversal of 1220102100010 is 100012010221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1220102100010.

It is not an unprimeable number, because it can be changed into a prime (1220102100011) 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, 319396546 + ... + 319400365.

It is an arithmetic number, because the mean of its divisors is an integer number (137980132992).

Almost surely, 2^{1220102100010} is an apocalyptic number.

1220102100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220102100010 is a deficient number, since it is larger than the sum of its proper divisors (987580027862).

1220102100010 is a wasteful number, since it uses less digits than its factorization.

1220102100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638797109.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1220102100010 its reverse (100012010221), we get a palindrome (1320114110231).

The spelling of 1220102100010 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred thousand, ten".