121003110011 has 8 divisors (see below), whose sum is σ = 138799563264. Its totient is φ = 103334230440.

The previous prime is 121003109993. The next prime is 121003110013. The reversal of 121003110011 is 110011300121.

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 121003110011 - 2⁶ = 121003109947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121003109974 and 121003110001.

It is not an unprimeable number, because it can be changed into a prime (121003110013) 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, 31891385 + ... + 31895178.

It is an arithmetic number, because the mean of its divisors is an integer number (17349945408).

Almost surely, 2^121003110011 is an apocalyptic number.

121003110011 is a deficient number, since it is larger than the sum of its proper divisors (17796453253).

121003110011 is an equidigital number, since it uses as much as digits as its factorization.

121003110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63786841.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 121003110011 its reverse (110011300121), we get a palindrome (231014410132).

The spelling of 121003110011 in words is "one hundred twenty-one billion, three million, one hundred ten thousand, eleven".