121102203 has 8 divisors (see below), whose sum is σ = 170967888. Its totient is φ = 75985664.

The previous prime is 121102171. The next prime is 121102243. The reversal of 121102203 is 302201121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121102203 - 2⁵ = 121102171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102243) 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, 1187226 + ... + 1187327.

It is an arithmetic number, because the mean of its divisors is an integer number (21370986).

Almost surely, 2^121102203 is an apocalyptic number.

121102203 is a deficient number, since it is larger than the sum of its proper divisors (49865685).

121102203 is a wasteful number, since it uses less digits than its factorization.

121102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374573.

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

The square root of 121102203 is about 11004.6446103452. The cubic root of 121102203 is about 494.7479627040.

Adding to 121102203 its reverse (302201121), we get a palindrome (423303324).

The spelling of 121102203 in words is "one hundred twenty-one million, one hundred two thousand, two hundred three".