121231314423110 has 128 divisors (see below), whose sum is σ = 225622344499200. Its totient is φ = 46882696734720.

The previous prime is 121231314423103. The next prime is 121231314423287. The reversal of 121231314423110 is 11324413132121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17420791811 + ... + 17420798769.

It is an arithmetic number, because the mean of its divisors is an integer number (1762674566400).

Almost surely, 2^{121231314423110} is an apocalyptic number.

121231314423110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231314423110 is a deficient number, since it is larger than the sum of its proper divisors (104391030076090).

121231314423110 is a wasteful number, since it uses less digits than its factorization.

121231314423110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 121231314423110 its reverse (11324413132121), we get a palindrome (132555727555231).

The spelling of 121231314423110 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three hundred fourteen million, four hundred twenty-three thousand, one hundred ten".