1220120202110 has 16 divisors (see below), whose sum is σ = 2198865614400. Its totient is φ = 487459358496.

The previous prime is 1220120202031. The next prime is 1220120202139. The reversal of 1220120202110 is 112020210221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73581590 + ... + 73598169.

It is an arithmetic number, because the mean of its divisors is an integer number (137429100900).

Almost surely, 2^{1220120202110} is an apocalyptic number.

1220120202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220120202110 is a deficient number, since it is larger than the sum of its proper divisors (978745412290).

1220120202110 is a wasteful number, since it uses less digits than its factorization.

1220120202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147180595.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220120202110 its reverse (112020210221), we get a palindrome (1332140412331).

The spelling of 1220120202110 in words is "one trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred ten".