121101066824 has 16 divisors (see below), whose sum is σ = 234894311100. Its totient is φ = 58462583872.

The previous prime is 121101066781. The next prime is 121101066829. The reversal of 121101066824 is 428660101121.

It can be written as a sum of positive squares in 2 ways, for example, as 108252844324 + 12848222500 = 329018^2 + 113350^2 .

It is not an unprimeable number, because it can be changed into a prime (121101066829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260993447 + ... + 260993910.

Almost surely, 2^121101066824 is an apocalyptic number.

It is an amenable number.

121101066824 is a deficient number, since it is larger than the sum of its proper divisors (113793244276).

121101066824 is a wasteful number, since it uses less digits than its factorization.

121101066824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521987392 (or 521987388 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 121101066824 its reverse (428660101121), we get a palindrome (549761167945).

The spelling of 121101066824 in words is "one hundred twenty-one billion, one hundred one million, sixty-six thousand, eight hundred twenty-four".