121220110302110 has 16 divisors (see below), whose sum is σ = 219401702406432. Its totient is φ = 48220154373600.

The previous prime is 121220110302103. The next prime is 121220110302127. The reversal of 121220110302110 is 11203011022121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33486216506 + ... + 33486220125.

It is an arithmetic number, because the mean of its divisors is an integer number (13712606400402).

Almost surely, 2^{121220110302110} is an apocalyptic number.

121220110302110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121220110302110 is a deficient number, since it is larger than the sum of its proper divisors (98181592104322).

121220110302110 is a wasteful number, since it uses less digits than its factorization.

121220110302110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66972436819.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121220110302110 its reverse (11203011022121), we get a palindrome (132423121324231).

The spelling of 121220110302110 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred ten million, three hundred two thousand, one hundred ten".