121100110112202 has 64 divisors (see below), whose sum is σ = 271003456080000. Its totient is φ = 35819586931968.

The previous prime is 121100110112123. The next prime is 121100110112327. The reversal of 121100110112202 is 202211011001121.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 116374452 + ... + 117410447.

It is an arithmetic number, because the mean of its divisors is an integer number (4234429001250).

Almost surely, 2^{121100110112202} is an apocalyptic number.

121100110112202 is an abundant number, since it is smaller than the sum of its proper divisors (149903345967798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121100110112202 is a wasteful number, since it uses less digits than its factorization.

121100110112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233785175.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121100110112202 its reverse (202211011001121), we get a palindrome (323311121113323).

The spelling of 121100110112202 in words is "one hundred twenty-one trillion, one hundred billion, one hundred ten million, one hundred twelve thousand, two hundred two".