121123212323110 has 16 divisors (see below), whose sum is σ = 218088721688256. Its totient is φ = 48434409483328.

The previous prime is 121123212323081. The next prime is 121123212323119. The reversal of 121123212323110 is 11323212321121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123212323119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859396542 + ... + 1859461681.

It is an arithmetic number, because the mean of its divisors is an integer number (13630545105516).

Almost surely, 2^{121123212323110} is an apocalyptic number.

121123212323110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123212323110 is a deficient number, since it is larger than the sum of its proper divisors (96965509365146).

121123212323110 is a wasteful number, since it uses less digits than its factorization.

121123212323110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718861487.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121123212323110 its reverse (11323212321121), we get a palindrome (132446424644231).

The spelling of 121123212323110 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred twelve million, three hundred twenty-three thousand, one hundred ten".