121331031010010 has 16 divisors (see below), whose sum is σ = 218398531512096. Its totient is φ = 48531817805328.

The previous prime is 121331031010001. The next prime is 121331031010069. The reversal of 121331031010010 is 10010130133121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73467332 + ... + 75100671.

It is an arithmetic number, because the mean of its divisors is an integer number (13649908219506).

Almost surely, 2^{121331031010010} is an apocalyptic number.

121331031010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331031010010 is a deficient number, since it is larger than the sum of its proper divisors (97067500502086).

121331031010010 is a wasteful number, since it uses less digits than its factorization.

121331031010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148649677.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 121331031010010 its reverse (10010130133121), we get a palindrome (131341161143131).

The spelling of 121331031010010 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, thirty-one million, ten thousand, ten".