121013110 has 16 divisors (see below), whose sum is σ = 220892832. Its totient is φ = 47723200.

The previous prime is 121013107. The next prime is 121013117. The reversal of 121013110 is 11310121.

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 (121013117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84511 + ... + 85930.

It is an arithmetic number, because the mean of its divisors is an integer number (13805802).

Almost surely, 2^121013110 is an apocalyptic number.

121013110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013110 is a deficient number, since it is larger than the sum of its proper divisors (99879722).

121013110 is a wasteful number, since it uses less digits than its factorization.

121013110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170519.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 121013110 is about 11000.5958929505. The cubic root of 121013110 is about 494.6266068220.

Adding to 121013110 its reverse (11310121), we get a palindrome (132323231).

The spelling of 121013110 in words is "one hundred twenty-one million, thirteen thousand, one hundred ten".