121200201110 has 16 divisors (see below), whose sum is σ = 218383675776. Its totient is φ = 48430455168.

The previous prime is 121200201097. The next prime is 121200201131. The reversal of 121200201110 is 11102002121.

It is a junction number, because it is equal to n+sod(n) for n = 121200201091 and 121200201100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192902 + ... + 6212441.

It is an arithmetic number, because the mean of its divisors is an integer number (13648979736).

Almost surely, 2^121200201110 is an apocalyptic number.

121200201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200201110 is a deficient number, since it is larger than the sum of its proper divisors (97183474666).

121200201110 is a wasteful number, since it uses less digits than its factorization.

121200201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12406327.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121200201110 its reverse (11102002121), we get a palindrome (132302203231).

The spelling of 121200201110 in words is "one hundred twenty-one billion, two hundred million, two hundred one thousand, one hundred ten".