121210030110 has 64 divisors (see below), whose sum is σ = 318591221760. Its totient is φ = 29330609280.

The previous prime is 121210030093. The next prime is 121210030181. The reversal of 121210030110 is 11030012121.

It is a super-2 number, since 2×121210030110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2610846 + ... + 2656865.

It is an arithmetic number, because the mean of its divisors is an integer number (4977987840).

Almost surely, 2^121210030110 is an apocalyptic number.

121210030110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210030110 is an abundant number, since it is smaller than the sum of its proper divisors (197381191650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210030110 is a wasteful number, since it uses less digits than its factorization.

121210030110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267793.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 121210030110 its reverse (11030012121), we get a palindrome (132240042231).

The spelling of 121210030110 in words is "one hundred twenty-one billion, two hundred ten million, thirty thousand, one hundred ten".