121111314245210 has 8 divisors (see below), whose sum is σ = 218000365641396. Its totient is φ = 48444525698080.

The previous prime is 121111314245111. The next prime is 121111314245239. The reversal of 121111314245210 is 12542413111121.

It can be written as a sum of positive squares in 2 ways, for example, as 117763581683449 + 3347732561761 = 10851893^2 + 1829681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055565712251 + ... + 6055565712270.

Almost surely, 2^{121111314245210} is an apocalyptic number.

121111314245210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111314245210 is a deficient number, since it is larger than the sum of its proper divisors (96889051396186).

121111314245210 is a wasteful number, since it uses less digits than its factorization.

121111314245210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111131424528.

The product of its (nonzero) digits is 1920, while the sum is 29.

Adding to 121111314245210 its reverse (12542413111121), we get a palindrome (133653727356331).

The spelling of 121111314245210 in words is "one hundred twenty-one trillion, one hundred eleven billion, three hundred fourteen million, two hundred forty-five thousand, two hundred ten".