121220003411 has 16 divisors (see below), whose sum is σ = 134046232320. Its totient is φ = 108930834720.

The previous prime is 121220003341. The next prime is 121220003419. The reversal of 121220003411 is 114300022121.

It is a cyclic number.

It is not a de Polignac number, because 121220003411 - 2¹⁸ = 121219741267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121220003411.

It is not an unprimeable number, because it can be changed into a prime (121220003419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688205 + ... + 846206.

It is an arithmetic number, because the mean of its divisors is an integer number (8377889520).

Almost surely, 2^121220003411 is an apocalyptic number.

121220003411 is a deficient number, since it is larger than the sum of its proper divisors (12826228909).

121220003411 is a wasteful number, since it uses less digits than its factorization.

121220003411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534586.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121220003411 its reverse (114300022121), we get a palindrome (235520025532).

The spelling of 121220003411 in words is "one hundred twenty-one billion, two hundred twenty million, three thousand, four hundred eleven".