121102230 has 32 divisors (see below), whose sum is σ = 291942144. Its totient is φ = 32149856.

The previous prime is 121102171. The next prime is 121102243. The reversal of 121102230 is 32201121.

It is a super-2 number, since 2×121102230² = 29331500221945800, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (9123192).

Almost surely, 2^121102230 is an apocalyptic number.

121102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102230 is an abundant number, since it is smaller than the sum of its proper divisors (170839914).

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

121102230 is a wasteful number, since it uses less digits than its factorization.

121102230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121102230 is about 11004.6458370999. The cubic root of 121102230 is about 494.7479994724.

Adding to 121102230 its reverse (32201121), we get a palindrome (153303351).

The spelling of 121102230 in words is "one hundred twenty-one million, one hundred two thousand, two hundred thirty".