121201120122010 has 8 divisors (see below), whose sum is σ = 218162016219636. Its totient is φ = 48480448048800.

The previous prime is 121201120121929. The next prime is 121201120122011. The reversal of 121201120122010 is 10221021102121.

It can be written as a sum of positive squares in 2 ways, for example, as 121173796362609 + 27323759401 = 11007897^2 + 165299^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121201120122011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060056006091 + ... + 6060056006110.

Almost surely, 2^{121201120122010} is an apocalyptic number.

121201120122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201120122010 is a deficient number, since it is larger than the sum of its proper divisors (96960896097626).

121201120122010 is a wasteful number, since it uses less digits than its factorization.

121201120122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120112012208.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121201120122010 its reverse (10221021102121), we get a palindrome (131422141224131).

The spelling of 121201120122010 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty million, one hundred twenty-two thousand, ten".