121011211213303 has 16 divisors (see below), whose sum is σ = 130563347398560. Its totient is φ = 111730036893696.

The previous prime is 121011211213289. The next prime is 121011211213313. The reversal of 121011211213303 is 303312112110121.

It is a cyclic number.

It is not a de Polignac number, because 121011211213303 - 2⁵ = 121011211213271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011211213313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153113 + ... + 15599746.

It is an arithmetic number, because the mean of its divisors is an integer number (8160209212410).

Almost surely, 2^{121011211213303} is an apocalyptic number.

121011211213303 is a deficient number, since it is larger than the sum of its proper divisors (9552136185257).

121011211213303 is a wasteful number, since it uses less digits than its factorization.

121011211213303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760946.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121011211213303 its reverse (303312112110121), we get a palindrome (424323323323424).

The spelling of 121011211213303 in words is "one hundred twenty-one trillion, eleven billion, two hundred eleven million, two hundred thirteen thousand, three hundred three".