121424111210 has 32 divisors (see below), whose sum is σ = 219838924800. Its totient is φ = 48286330560.

The previous prime is 121424111201. The next prime is 121424111351. The reversal of 121424111210 is 12111424121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12004055 + ... + 12014165.

It is an arithmetic number, because the mean of its divisors is an integer number (6869966400).

Almost surely, 2^121424111210 is an apocalyptic number.

121424111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121424111210 is a deficient number, since it is larger than the sum of its proper divisors (98414813590).

121424111210 is a wasteful number, since it uses less digits than its factorization.

121424111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17006.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121424111210 its reverse (12111424121), we get a palindrome (133535535331).

The spelling of 121424111210 in words is "one hundred twenty-one billion, four hundred twenty-four million, one hundred eleven thousand, two hundred ten".