121011200110 has 16 divisors (see below), whose sum is σ = 221512028400. Its totient is φ = 47584064896.

The previous prime is 121011200099. The next prime is 121011200119. The reversal of 121011200110 is 11002110121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011200119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 102551275 + ... + 102552454.

It is an arithmetic number, because the mean of its divisors is an integer number (13844501775).

Almost surely, 2^121011200110 is an apocalyptic number.

121011200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011200110 is a deficient number, since it is larger than the sum of its proper divisors (100500828290).

121011200110 is a wasteful number, since it uses less digits than its factorization.

121011200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205103795.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121011200110 its reverse (11002110121), we get a palindrome (132013310231).

The spelling of 121011200110 in words is "one hundred twenty-one billion, eleven million, two hundred thousand, one hundred ten".