121100244 has 24 divisors (see below), whose sum is σ = 294853440. Its totient is φ = 38611584.

The previous prime is 121100233. The next prime is 121100249. The reversal of 121100244 is 442001121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100249) 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, 219109 + ... + 219660.

It is an arithmetic number, because the mean of its divisors is an integer number (12285560).

Almost surely, 2^121100244 is an apocalyptic number.

It is an amenable number.

121100244 is an abundant number, since it is smaller than the sum of its proper divisors (173753196).

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

121100244 is a wasteful number, since it uses less digits than its factorization.

121100244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438799 (or 438797 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121100244 is about 11004.5556021132. Note that the first 3 decimals coincide. The cubic root of 121100244 is about 494.7452949395.

Adding to 121100244 its reverse (442001121), we get a palindrome (563101365).

The spelling of 121100244 in words is "one hundred twenty-one million, one hundred thousand, two hundred forty-four".