1102002101220 has 48 divisors (see below), whose sum is σ = 3085651578240. Its totient is φ = 293862875136.

The previous prime is 1102002101197. The next prime is 1102002101227. The reversal of 1102002101220 is 221012002011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1102002101196 and 1102002101205.

It is not an unprimeable number, because it can be changed into a prime (1102002101227) 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, 7406721 + ... + 7554039.

It is an arithmetic number, because the mean of its divisors is an integer number (64284407880).

Almost surely, 2^{1102002101220} is an apocalyptic number.

1102002101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102002101220 is an abundant number, since it is smaller than the sum of its proper divisors (1983649477020).

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

1102002101220 is a wasteful number, since it uses less digits than its factorization.

1102002101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272004 (or 272002 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1102002101220 its reverse (221012002011), we get a palindrome (1323014103231).

The spelling of 1102002101220 in words is "one trillion, one hundred two billion, two million, one hundred one thousand, two hundred twenty".