121101320210 has 32 divisors (see below), whose sum is σ = 239179515120. Its totient is φ = 43870664448.

The previous prime is 121101320183. The next prime is 121101320213. The reversal of 121101320210 is 12023101121.

It can be written as a sum of positive squares in 8 ways, for example, as 76979057401 + 44122262809 = 277451^2 + 210053^2 .

It is not an unprimeable number, because it can be changed into a prime (121101320213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8781305 + ... + 8795084.

Almost surely, 2^121101320210 is an apocalyptic number.

121101320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101320210 is a deficient number, since it is larger than the sum of its proper divisors (118078194910).

121101320210 is a wasteful number, since it uses less digits than its factorization.

121101320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17576462.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121101320210 its reverse (12023101121), we get a palindrome (133124421331).

The spelling of 121101320210 in words is "one hundred twenty-one billion, one hundred one million, three hundred twenty thousand, two hundred ten".