1102121220210 has 16 divisors (see below), whose sum is σ = 2645090928576. Its totient is φ = 293898992048.

The previous prime is 1102121220173. The next prime is 1102121220223. The reversal of 1102121220210 is 120221212011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1102121220210.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18368686974 + ... + 18368687033.

It is an arithmetic number, because the mean of its divisors is an integer number (165318183036).

Almost surely, 2^{1102121220210} is an apocalyptic number.

1102121220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102121220210 is an abundant number, since it is smaller than the sum of its proper divisors (1542969708366).

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

1102121220210 is a wasteful number, since it uses less digits than its factorization.

1102121220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36737374017.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102121220210 its reverse (120221212011), we get a palindrome (1222342432221).

The spelling of 1102121220210 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred ten".