121230321201110 has 16 divisors (see below), whose sum is σ = 238052267086032. Its totient is φ = 44083753164000.

The previous prime is 121230321201103. The next prime is 121230321201137. The reversal of 121230321201110 is 11102123032121.

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, 551046914441 + ... + 551046914660.

It is an arithmetic number, because the mean of its divisors is an integer number (14878266692877).

Almost surely, 2^{121230321201110} is an apocalyptic number.

121230321201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230321201110 is a deficient number, since it is larger than the sum of its proper divisors (116821945884922).

121230321201110 is a wasteful number, since it uses less digits than its factorization.

121230321201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102093829119.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121230321201110 its reverse (11102123032121), we get a palindrome (132332444233231).

The spelling of 121230321201110 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred twenty-one million, two hundred one thousand, one hundred ten".