121121200200110 has 64 divisors (see below), whose sum is σ = 238433695934400. Its totient is φ = 43933770316800.

The previous prime is 121121200200071. The next prime is 121121200200131. The reversal of 121121200200110 is 11002002121121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857843720 + ... + 857984900.

It is an arithmetic number, because the mean of its divisors is an integer number (3725526498975).

Almost surely, 2^{121121200200110} is an apocalyptic number.

121121200200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121200200110 is a deficient number, since it is larger than the sum of its proper divisors (117312495734290).

121121200200110 is a wasteful number, since it uses less digits than its factorization.

121121200200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160677.

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

Adding to 121121200200110 its reverse (11002002121121), we get a palindrome (132123202321231).

The spelling of 121121200200110 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred million, two hundred thousand, one hundred ten".