121011221100011 has 8 divisors (see below), whose sum is σ = 133180491123504. Its totient is φ = 109036659397120.

The previous prime is 121011221099999. The next prime is 121011221100037. The reversal of 121011221100011 is 110001122110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121011221100011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121011221100311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48677078846 + ... + 48677081331.

It is an arithmetic number, because the mean of its divisors is an integer number (16647561390438).

Almost surely, 2^{121011221100011} is an apocalyptic number.

121011221100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121011221100011 is a deficient number, since it is larger than the sum of its proper divisors (12169270023493).

121011221100011 is a wasteful number, since it uses less digits than its factorization.

121011221100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97354160301.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121011221100011 its reverse (110001122110121), we get a palindrome (231012343210132).

The spelling of 121011221100011 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty-one million, one hundred thousand, eleven".