121011100233 has 8 divisors (see below), whose sum is σ = 161400043200. Its totient is φ = 80648112048.

The previous prime is 121011100213. The next prime is 121011100247. The reversal of 121011100233 is 332001110121.

It is a happy number.

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

It is not a de Polignac number, because 121011100233 - 2⁸ = 121011099977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121011100213) 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, 6477813 + ... + 6496466.

It is an arithmetic number, because the mean of its divisors is an integer number (20175005400).

Almost surely, 2^121011100233 is an apocalyptic number.

It is an amenable number.

121011100233 is a deficient number, since it is larger than the sum of its proper divisors (40388942967).

121011100233 is a wasteful number, since it uses less digits than its factorization.

121011100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977391.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121011100233 its reverse (332001110121), we get a palindrome (453012210354).

The spelling of 121011100233 in words is "one hundred twenty-one billion, eleven million, one hundred thousand, two hundred thirty-three".