121110012121010 has 32 divisors (see below), whose sum is σ = 239920590408192. Its totient is φ = 43650269850880.

The previous prime is 121110012121009. The next prime is 121110012121067. The reversal of 121110012121010 is 10121210011121.

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 15 ways as a sum of consecutive naturals, for example, 4871669474 + ... + 4871694333.

It is an arithmetic number, because the mean of its divisors is an integer number (7497518450256).

Almost surely, 2^{121110012121010} is an apocalyptic number.

121110012121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121110012121010 is a deficient number, since it is larger than the sum of its proper divisors (118810578287182).

121110012121010 is a wasteful number, since it uses less digits than its factorization.

121110012121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743363938.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121110012121010 its reverse (10121210011121), we get a palindrome (131231222132131).

The spelling of 121110012121010 in words is "one hundred twenty-one trillion, one hundred ten billion, twelve million, one hundred twenty-one thousand, ten".