121101100311 has 8 divisors (see below), whose sum is σ = 161471368944. Its totient is φ = 80732449280.

The previous prime is 121101100291. The next prime is 121101100327. The reversal of 121101100311 is 113001101121.

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 121101100311 - 2¹⁸ = 121100838167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101100391) 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, 217356 + ... + 538001.

It is an arithmetic number, because the mean of its divisors is an integer number (20183921118).

Almost surely, 2^121101100311 is an apocalyptic number.

121101100311 is a deficient number, since it is larger than the sum of its proper divisors (40370268633).

121101100311 is an equidigital number, since it uses as much as digits as its factorization.

121101100311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808801.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 121101100311 its reverse (113001101121), we get a palindrome (234102201432).

The spelling of 121101100311 in words is "one hundred twenty-one billion, one hundred one million, one hundred thousand, three hundred eleven".