121201110220010 has 16 divisors (see below), whose sum is σ = 218991511702656. Its totient is φ = 48296107797648.

The previous prime is 121201110219941. The next prime is 121201110220037. The reversal of 121201110220010 is 10022011102121.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23042033534 + ... + 23042038793.

It is an arithmetic number, because the mean of its divisors is an integer number (13686969481416).

Almost surely, 2^{121201110220010} is an apocalyptic number.

121201110220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201110220010 is a deficient number, since it is larger than the sum of its proper divisors (97790401482646).

121201110220010 is a wasteful number, since it uses less digits than its factorization.

121201110220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46084072597.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121201110220010 its reverse (10022011102121), we get a palindrome (131223121322131).

The spelling of 121201110220010 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred ten million, two hundred twenty thousand, ten".