121201010108 has 48 divisors (see below), whose sum is σ = 226000669440. Its totient is φ = 56710368000.

The previous prime is 121201010071. The next prime is 121201010141. The reversal of 121201010108 is 801010102121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3119723 + ... + 3158333.

It is an arithmetic number, because the mean of its divisors is an integer number (4708347280).

Almost surely, 2^121201010108 is an apocalyptic number.

It is an amenable number.

121201010108 is a deficient number, since it is larger than the sum of its proper divisors (104799659332).

121201010108 is a wasteful number, since it uses less digits than its factorization.

121201010108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39138 (or 39136 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121201010108 its reverse (801010102121), we get a palindrome (922211112229).

The spelling of 121201010108 in words is "one hundred twenty-one billion, two hundred one million, ten thousand, one hundred eight".